a descriptive measure of a population characteristic is best described as a: a. parameter. b. sample statistic. c. frequency distribution.

The graphs with consist of nonuniform points are not functions.

Given that,
To determine which graph is not a function.

The graph is a demonstration of curves that gives the relationship between the x and y-axis.

Here,
The only graph that cannot be a function, whose expression is not able to be determined, one example is that points are drawn non-uniformly and do not have a relation with each other, that type of relationship is not a function on a graph.

Thus, the graphs with consist of nonuniform points are not functions.

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The length of the tail if it's half the insects total length as described in the task content is; 7/16 inches.

It follows from the task content that the length of the tail of the insect whose length is as given is to be determined.

Since the given length of the insect is; 7/8 inches.

Also, the tail of the insect is half the insects to tak length.

Consequently, the expression which holds true for the length of the tail is;

(1/2) × (7/8)

= 7/16.

The length of the insect's tail is therefore; 7/16 feet.

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The rule of obtuse angle is that one angle measures more than 90° and total sum og angle should be 180°.

Acute, obtuse, right, straight, reflex, and complete rotation are some of the terms used to describe fundamental angles. Two rays are joined at their termini to form the geometric shape known as an angle. The most common way to express an angle is in degrees.

A measure of an angle or the amount of turning required to bring one line or plane into coincidence with or parallel to another angled is represented by two lines extending from the same point.

A triangle is said to have an obtuse angle if one of the inner angles is greater than 90 degrees. If one of the angles of an obtuse triangle is greater than 90°, then the total of the other two angles is also less than 90°.

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f(x) = 16x - x² is the given quantity expressed as a function f(x)

A function is an expression that shows the relationship between the independent variable and the dependent variable.  A function is usually denoted by letters such as f, g, etc.

Given that: the product of two numbers x and y whose sum is 16. Thus:

f(x) = x × y  ---- (1)

x + y = 16   ---- (2)

=> y = 16-x  ---- (3)

Put (3) in (1):

f(x) = x × (16-x )

f(x) = 16x - x²

Therefore, the given quantity expressed as a function f(x) is f(x) = 16x - x²

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We have proved that the set of all points (x, y) that are equidistant from the point (f, k) and the line x.

What is a parabola?

A parabola is a plane curve that is mirror-symmetrical and roughly U-shaped in mathematics. It fits several seemingly disparate mathematical descriptions, all of which can be shown to define the same curves. A point and a line are two ways to describe a parabola.

That’s a parabola in the usual orientation. y=1 is the directrix. (f, k) is the focus. Squared distance, as usual, is the fundamental quantity.

If (x,y) is a point in the set, the squared distance to y=1 is (y−1)². The squared distance to (f, k).

     (y - 1)²=(x - f)²+(y - k)²

Hence, we can say that the set of all points (x, y) is equidistant from the point (f, k) and the line x.

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Sales revenue will be recorded at $4,000 and yang Yang would be required to Recognize sales tax liability of $360.

What is  sales revenue?

Sales = $4,000

State sales tax rate = 9%

State sales tax = Sales x State sales tax rate

= 4,000 x 9%

= $360

Sales revenue will be recorded at $4,000 and sales revenue is not affected by the sales tax amount.

Hence, Yang would be required to Recognize sales tax liability of $360.

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The experimental probability of landing on a 6 is 1/10.

Probability is used to calculate the odds that a random event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

Experimental probability is based on the result of an experiment that has been carried out multiples times.

Result of the experiment:

Face Frequency

1          2

2         1

3        0

4        5

5          1

6          1

Probability of landing on a 6 = 1 /10

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Answer:

[tex]\frac{7}{10}[/tex]

Step-by-step explanation:

[tex]2\frac{4}{5}=\frac{10}{5}+\frac{4}{5}=\frac{14}{5}\\\frac{14}{5}(\frac{1}{4})=\frac{14}{20}\\\frac{14}{20}=\frac{7}{10}[/tex]

Answer:7/10 or 0.7 I hope this helpful mark me brainlist if you find this correct then no if wrong

Step-by-step explanation:

2 4/5

Convert the mixed number to an improper fraction.

14/5 divide 4

14/5 times 1/4

Cancel out the greatest common factor 2

14 and 4

7/5 times 1/2

Multiply the fractions

7/10

=7/10 or 0.7

Given ages represent the consecutive integers  and sum of  Scarlett's age and five times Nasim age is 185 , then Scarlett age is equal to 30 years.

As given in the question,

Age represents the consecutive integers and Scarlett age is less than Nasim's age.

Let 'x' represent the age of Scarlett

And ' x + 1' represents the age of Nasim

As per the given condition of their ages we have,

x + 5 ( x + 1 ) = 185

⇒ x + 5x + 5 = 185

⇒ 6x + 5 = 185

⇒ 6x = 185 - 5

⇒ 6x = 180

⇒ x = 180 / 6

⇒ x = 30 years

Therefore, for the given ages represent the consecutive integers  and sum of  Scarlett's age and five times Nasim age is 185 , then Scarlett age is equal to 30 years.

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The geometric mean between 5 and 125 will be 25.

What is geometric mean?

The sequence where each word is varied by another by a common ratio is known as a geometric progression or geometric sequence. When we add a constant (which is not zero) to the term before it, the sequence's subsequent term is created. The following symbols stand in for it: a, ar, ar2, ar3, ar4, etc.

The Geometric Mean (GM) is the average value or mean that, in mathematics, represents the centre tendency of a group of numbers by calculating the product of their values. In essence, we multiply the numbers collectively and take the nth root of the resulting multiplied numbers, where n is the total number of data values.

The given number is 5, 125.

So the Geometric Mean willl be (5*125)[tex].^{1/2}[/tex]

So [tex](625)^{1/2}[/tex]

= 25

Hence, the geometric mean between 5 and 125 will be 25.

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a. 40%

the total amount of people is 100%

assume a person gets either food poisoning or doens't get food poisoning

100% - 60% = 40%

When one column adds up to more than 10, you regroup 10 Ones into 1 Tens

Regrouping is done by making groups of tens during operations like subtraction and addition. Regrouping means rearranging numbers into groups by place value to make it easier to carry out operations. This process is called regrouping because you're rearranging numbers into place value to carry out the process.

To regroup means to rearrange groups in place value to carry out an operation.

When one column adds up to more than 10, you regroup 10 Ones into 1 Tens. Don't put the carry over in the answer area at the bottom of the column. Write it at the top. After we carry the 1, we add all the Tens place digits, including the carry.

Therefore, when one column adds up to more than 10, you regroup 10 Ones into 1 Tens

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The equation of the function is f(x) = (-1/4)(x+10)(x-3)

The y intercept of the function = A(0, 7.5)

The zeros of the function are

-10 and 3

The equation in intercept form

y = a(x - p)(x - q)

Where the value of p = -10

The value of q = 3

Then the function will be

f(x) = a(x + 10)(x - 3)

The point A = (0, 7.5)

Substitute the values of x and y in the equation

7.5 = a(0+10)(0-3)

Do the arithmetic operation

7.5 = a(10)(-3)

Multiply the terms

7.5 = -30a

a = 7.5 / -30

Divide the terms

a = -1/4

Hence, the equation of the function is f(x) = (-1/4)(x+10)(x-3)

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For the water utility (an enterprise fund) has just sent out a purchase order to a vendor for some new equipment, of the following that would be included in the journal entry to record this event is none of the above. (Option D)

An enterprise fund refers to a fund which may be used to report any activity for which a fee is charged to external users for goods or services. An enterprise fund uses a separate accounting and financial reporting mechanism for which revenues and expenditures are segregated into a fund with financial statements separate from all other governmental activities. Enterprise funds provide goods and services to customers outside the reporting entity. Hence, from the options of journal entry records, none of the given options will be used.

Note: The question is incomplete as it is missing options which are A) A credit to Accounts Payable. B) A debit to Encumbrances. C) A debit to Expenditures. D) None of the above.

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The joint probability density function (joint pdf) is a function used to characterize the probability distribution of multiple continuous random variables that together form a continuous random vector. The results of asking values are

a) E(X³) = 5.86

b)E(X/Y = 2) = 2

c) E(Y²) = 1.2

d) σᵧ= 0.7483

e) E(3Y) = 2.4

We are given that X, Y denotes the number of students and number of questions respectively.

P(X,Y) denote the joint probability mass function for X and Y. Also provide,

P(0,0)=0.04, P(1,0)=0.16, P(1,1)=0.1, P(2,0)=0.2, P(2,1)=0.3, P(2,2)=0.2.

Therefore the required quantities here are computed as:

P(X = 0) = 0.04

P(X = 1) = 0.26

P(X = 2) = 0.7

a) E(X³) = 0 + 1×0.26 + 23×0.7

= 5.86 is the required value here.

b) Now given Y = 2, the conditional Probability density function for X here is obtained as:

P(X = 2 | Y = 2) = 1

Therefore, E(X | Y = 2) = 2 here.

c) For Y, we have here:

P(Y = 0) = 0.4

P(Y = 1) = 0.4

P(Y = 2) = 0.2

Therefore,

E(Y²) = 0.4×1 + 22×0.2

= 1.2 is the required value here.

d) The standard deviation of Y here is computed as:

E(Y) = 1×0.4 + 2×0.2 = 0.8

S.D(Y) = sqrt( E(Y²) - [E(Y)]²) = sqrt( 1.2 - 0.82 )

= 0.7483 is the required value here.

e) E(3Y) = 3E(Y) = 3×0.8

= 2.4 is the required value here.

The probability that X > 1 and Y > 0 here is computed as:

= p( 2, 1). + p(2, 2) = 0.3 + 0.2 = 0.5 is the required probability.

Hence, we calculate all the required Probability values .

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Complete question:

A professor of Statistics records the number of students who attend office hours one day and the number of questions asked on any one day. Let X denote the number of students and Y the number of questions asked, and let P(X,Y) denote the joint probability mass function for X and Y.

Records indicate that P(0,0)=0.04, P(1,0)=0.16, P(1,1)=0.1, P(2,0)=0.2, P(2,1)=0.3, P(2,2)=0.2.

Thus, for any given day, the probability of, say, two students and 1 question is 0.3.

matches the concept value.

All options are same

a) E(X³)

b)E(X/Y = 2)

c) E(Y²)

d) σᵧ

e) E(3Y)

Answer:

m∠QRO = 46°

Step-by-step explanation:

In the question, we are told that m∠SRO = 134°, and we are asked to calculate m∠QRO.

In order to do that, we have to realise that since angles SRO and QRO are on a straight line, their measures add up to 180°. Therefore:

∠SRO + ∠QRO = 180°

⇒ 134° + ∠QRO = 180°

⇒ ∠QRO = 180° - 134°

⇒ ∠QRO = 46°

Therefore, m∠QRO = 46°.

All young single mothers in that society is correct.

Given that

The findings from a study of young single mothers at a university can be generalized to the population of:

1. all young single mothers in that society

2. all young single mothers at that university

3. all single mothers in all universities

4. all young women in that university

It can be generalized to all young single mother at the University. Because the findings might not be through for adults and at the same time might not be through for those outside the University.

Hence the answer is all young single mothers in that society is correct.

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True average percentage of organic matter in such soil is different from 3%.

What is Statistics?

Statistics is the study of data collection, analysis, presentation, and interpretation. Much of the early push for the subject of statistics came from government demands for census data as well as information about a range of economic operations.

Solution:

We are given that the values of the sample mean and sample standard deviation are 2.481 and 1.611 respectively.

Suppose we know the population distribution is normal, we have to test the hypothesis that does this data suggest that the true average percentage of organic matter in such soil is something other than 3%.

Let μ = true average percentage of organic matter in such soil

SO, Null Hypothesis : μ = 3%   {means that the true average percentage of organic matter in such soil is equal to 3%}

Alternate Hypothesis  : μ ≠ 3%   {means that the true average percentage of organic matter in such soil is different than 3%}

The test statistics that will be used here is One-sample t test statistics because we don't know about the population standard deviation;

TS = (0.02481 - 0.03)/(0.01611)/√30

TS = 4.6% (approx)

Therefore, we conclude that the true average percentage of organic matter in such soil is different from 3%.

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Addition of the fractions showed that the total amount applied is 39/10 kg

The addition of fractions is a little different from the normal addition of numbers since a fraction has a numerator and a denominator which is separated by a bar. The addition of fractions can be easily done if the denominators are equal. While like fractions have common denominators, unlike fractions are converted to like fractions to make addition easier.

In this case, we simply need to add the fraction of nitrogen, phosphorous and potassium.

This becomes;

6/3 + 2/5 + 6/4 = 2 + 2/5 + 3/2 = 39/10 = 3.9kg

The amount added is 39/10kg or 3.9kg

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Translation: 6/3 kg of Nitrogen, 2/5 kg of Phosphorus and 6/4 kg of Potassium will be applied. What is the total amount of fertilizer to be applied?

the  measure that captures the variation in responses is mean and it is the weighted average

What is the meaning of mean in math?

In mathematics and statistics, the mean refers to the average of a set of values. The mean can be computed in a number of ways, including the simple arithmetic mean (add up the numbers and divide the total by the number of observations), the geometric mean, and the harmonic mean.

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The 95% confidence interval for the mean coding time difference is (-1.2169,2/5502) one design language is better than another.

Given that,

A computer scientist is looking into how two different design languages may make programming chores better. Twelve experienced programmers who are fluent in both languages are given the task of creating a standard function in each language, and the time taken (in minutes) is recorded.

We have to identify the 95% confidence interval for the mean coding time difference. Is there any evidence that one design language is better than another.

We know that,

The attached file's histogram demonstrates that the distribution of differences is roughly normal.

It follows that the distribution must be regular.

The 95% confident level for μ=μ₁-μ₂

We get,

=d±t(S/√n)

=0.666667±2.201(2.964436/√12)

=0.666667±2.201(0.85576)

=0.666667±1.883525474

We get (-1.2169,2.5502)

Therefore, The 95% confidence interval for the mean coding time difference is (-1.2169,2/5502) one design language is better than another.

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Answer:

95

Step-by-step explanation:

15 * 5 = 75

5 * 4 = 20

20 + 75 = 95

Answer:

first blank: 13

2nd/3rd blank:14/13

4th blank: 13

5th/6th blank: 14/13

7th blank: 42

Step-by-step explanation:

From the first line to the second you need to add

4/7x + 5/14x

Times 2 on the top and bottom of 4/7 to make it be 8/14.

then you can add:

8/14x + 5/14x

Keep the 14 on the bottom, add the tops. 8+5 is 13

= 13/14x

The 13 on top is the first fill in.

To solve for x you can multiply by the reciprocal of 13/14 (just flip it over)

14/13 is the blank/blank on both sides of the equal sign in front of the parenthesis.

The blank over 14 is 13, the same as the first answer.

The 14/13 × 13/14x

just leaves x on the left in the last line of the equation.

On the right, you have

14/13 × 39

You can divide the 39/13 to get 3. The problem becomes

14 × 3

= 42 This is the last fill in.

13/14 x = 39

14/13(13/14x)=14/13(39)

x = 42

The proof as explained below shows that ΔBAD ≅ ΔCDA by the side-side-side (SSS) congruence theorem.

The Side-side-side (SSS) congruence theorem states that two triangles are congruent to each other if the three sides of one triangle are equal or congruent to the corresponding three sides of the other.

The proof that shows triangles BAD and CDA are congruent is explained below.

Statement                                 Reason                                        

1. BD ≅ AC; BA ≅ DC              1. Given

2. AD ≅ AD                              2. Reflexive property

3. ΔBAD ≅ ΔCDA                    3. Side-side-side (SSS)

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The probability that exactly 10 of the citizens favor the building of the health center is;

P(X = 10) = 0.0355

This question is a binomial probability distribution question that takes the formula;

P(X = x) = ⁿCₓ * pˣ * q⁽ⁿ ⁻ ˣ⁾

Where

p = chance of success

q = chance of failure

n = number of trials

We are given;

p = 78% = 0.78

q = 1 - 0.78 = 0.22

n = 14

Thus, probability that exactly 10 of them favor the building of the health center is;

P(X = 10) = ¹⁴C₁₀ × 0.78¹⁰ × 0.22⁽¹⁴ ⁻ ¹⁰⁾

P(X = 10) = 182× 0.78¹⁰ ×  0.22⁴

P(X = 10) = 0.0355

Therefore, the probability that exactly 10 of the citizens favor the building of the health center is;

P(X = 10) = 0.0355

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If the area of a triangle is 96 sq. inches. its altitude is 2 inches greater than five times its base then the altitude is 32 inch

The area of a triangle is 96 sq. inches

Let base be b

Its altitude is 2 inches greater than five times its base.

a=5b+2

ab/2=A

(5b+2)b/2=96

(5b+2)b=192

5b²+2b=192

5b²2+2b-192=0

On solving the quadrartic equation,

we get

b=6

a=32

Therefore, if the area of a triangle is 96 sq. inches. its altitude is 2 inches greater than five times its base then the altitude is 32 inchs

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The volume of the container in cubic centimeters is 14.52 cubic centimeters.

Given:

if the volume of a small container is 14,520 cubic millimeters.

Volume:

Volume is defined as the space occupied within the boundaries of an object in three-dimensional space. It is also known as the capacity of the object.

we know that ,

To convert millimeters to centimeters we need to divide by 1000.

= 14,520/1000

= 1452/100

= 145.2/10

= 14.52 cubic centimeters.

Therefore The volume of the container in cubic centimeters is 14.52 cubic centimeters.

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The number of weet to buy is 84.

We have amount given to one friend and we need to find number of weet given to all of his friends. We use unitary methods to calculate the number of weets.

Let total number of weet be X

Number of weet given to 1 friend = 3

Number of weet given to 28 friend = 28 X 3

                                                      = 84

Therefore X = 84

84 weet will be distributed among 28 friend.

Wasim wants 10 weet extra

So, total number of wee he will purchase =

Total weet given to his 28 friends + total extra weet

= 84 + 10

= 94

Hence, Waim will buy 94 weets.

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The equation of the tangent line to the curve at the point is 2y = x + 1.

Here we have to find the equation of the tangent line to the curve at the point.

The given data:

x = cosФ + sin 2Ф

y = sinФ + cos 2Ф

Now let us differentiate it, as we have to find the tangent of the curve.

dx/ dФ = -sinФ + 2 cos 2Ф

dy/ dФ = cosФ - 2sin2Ф

So we get dx/dy as:

dy/ dx = cosФ - 2 sin 2Ф / -sinФ + 2cos 2Ф

Now as it is given that Ф = 0. So putting Ф as 0 we have:

dy/ dx = cos0° - 2 sin 0° / -sin0° + 2 cos 0°

          = 1 / 2

Now we get the value of x and y by putting Ф as 0°

x = cos0° + sin 0°

 = 1

y = sin 0° + cos 0°

  = 1

So we get the equation:

y - 1 = 1/2( x-1)

2(y - 1 ) = x - 1

2y - 2 = x -1

2y = x + 1

Therefore the equation is 2y = x + 1.

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