help meeeeeeeeeeee pleaseee rnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Type I error means rejecting the true null hypothesis and Type II error means failing to reject a false null hypothesis.

A Type I error occurs in hypothesis testing when one rejects the null hypothesis and the null hypothesis is true.

To reject the null hypothesis, statisticians conduct hypothesis testing. However, the process is always accompanied by the possibility of making a mistake. These are referred to as hypothesis testing errors.

Type I and Type II errors are the two mutually exclusive errors in hypothesis testing. Type II errors occur when a statistician fails to reject a false null hypothesis, whereas Type I errors occur when a statistician correctly rejects a genuine null hypothesis.

In the given question, type I error means rejecting the true null hypothesis i.e. h0: the person is free of disease but we conclude that the person has the disease. This is called a false positive. ha: Type II error means failing to reject a false null hypothesis.

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By applying the theorem that square of largest side is equal to the sum of squares of other two sides

Proof of Right Angle Triangle Theorem

Theorem: In a triangle, if square of one side is equal to the sum of the squares of the other two sides, then the angle opposite the first side is a right angle.

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Answer:

2(x + 5)

Step-by-step explanation:

1. Common factor

2x + 10

2(x + 5)

Solution

2(x + 5)

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The required fraction of chicken,whose are laying eggs irregularly.

Multiply the numerators and denominators independently to track down the item. At the point when you need to duplicate divisions, increase the 2 numerators together first and compose it on top. Then duplicate the denominators together and compose it on the lower part of the portion. Work on your response in the event that you would be able so it is in the least terms.

9/15 chickens are laying eggs regularly and 2/15 chickens never lay eggs.

Then,fraction of chicken

1 - 9/15 - 2/15

15 - 9 - 2/15

4/15

Thus, the fraction of chicken are 4/15

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Correct question:

9/15 of David's chickens lay

eggs every day. 2/15 of the chickens never lay any eggs. What fraction of the chickens lay eggs irregularly.

The probability that the first card is an ace and the second card is a face card is 1.78% and 12/52 respectively.

What is the probability of cards?

Probability is measured by counting and using basic math, such as addition and division. For example, you can multiply the number of spades in a complete deck (13) by the total number of cards in the deck (52) to get the probability of drawing a spade at random: 13 in 52, or 25%.

If you are dealt two cards successively from a standard 52-card deck, find the probability of getting an ace card on the first card and a face on the second.

you want to draw an ace. There are 4 aces out of the 52 cards in the deck so the probability of drawing an ace = 4/52.

So, the combined probability [tex](\frac{12}{52}) . (\frac{4}{52}) = (\frac{3}{13}) . (\frac{1}{13}) = (\frac{3}{169})[/tex]

= 1.78%.

The probability of a face card on the second draw = 12/52 because there are 12 face cards (J, Q, K x 4 of each) and 52 cards in the deck.

Hence, the probability that the first card is an ace and the second card is a face card is 1.78% and 12/52 respectively.

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Sami can make 7 necklaces from the cord

Length is defined as the measurement or extent of something from end to end

To find the number of necklaces Sami can make

We divide the Total centimeter of chord with the centimeter of one cord

Total cord=233.8centimter

Each necklace = 33.4centimeters

Therefore, Total cord/Each necklace

=233.8/33.4

=7necklaces

Hence, Sami can make 7 necklaces from 233.8centimeters of cord

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Answer:

2.552 [tex]\frac{feet}{minute}[/tex]

Step-by-step explanation:

The equation that can be modeled by the given algebra tiles be,

4x + 3 = 4x + 5

Given, algebra tiles

we have to find an equation that can be modeled by the given algebra tiles.

as, from the given figure

four times of the right side tiles and left side tiles differ by 2.

So, according to the question,

4x + 3

and 4x + 5

On equating, we get

4x + 3 = 4x + 5

So, the equation that can be modeled by the given algebra tiles be,

4x + 3 = 4x + 5

Hence, the equation that can be modeled by the given algebra tiles be,

4x + 3 = 4x + 5

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As per the required total time taken by one person to complete a task from beginning to end without taking into any account holidays, time off, or any other project work is known as Work effort estimate.

As given in the question,

Total time taken by one person to complete the task with conditions:

-: From beginning to end no holiday.

-: No time off

-: no other project work

A. Duration estimate represents the time taken to complete any project.

Incorrect option.

B. Work effort estimate represents the point clearly mentioned to what is required to complete the task.

Here clearly mentioned all the points .

Correct option.

C .  Bottom-up estimate represents estimates for individual components of work that are designed to rolled up into the overall estimate.

Incorrect option.

D. Parametric estimate represents the different parameters like total cost , time and resources required for the project.

Incorrect option.

Therefore, for the required total time taken by one person to complete a task from beginning to end without taking into any account holidays, time off, or any other project work is known as Work effort estimate.

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Required equation of line: 3y + x = 18

What is the slope of Straight line?

It is defined as the tangent of the of the angle the line makes with the x-axis.

We know that the when two lines are perpendicular, the product of their slope is -1

slope of given line  = 3  

let slope of required line  = m

3*m = -1

m = -1/3

as the line passes through the point (3,5)

the equation will be: (y-5)/(x-3) = -1/3

3y-15 = 3-x

Equation of Straight line: 3y + x = 18

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The pattern will be as given, in the matrix form.

We can arrange the given matrix as , A = (0 0 0 0 1 1 0 0 1)

Now,  A*TA = 0

If A has an entry 9 then, the sum of all the diagonal elements.

So the T will be the form of the matrix attached below.

Hence the Pattern will be as

W= [ 0

        0

        0

        0

        1

        1

        0

        0

        1 ]

(Written as a one column matrix.)

M= [  1

         1

         0

         1  ]

(Written as a one column matrix.)

A matrix is a rectangular array of letters, numbers, or expressions in mathematics that are arranged in rows and columns. The matrix below, for instance, has a dimension of 2 3 due to its two rows and three columns: [ 1 9 − 13 20 5 − 6 ]

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If Rn has a basis of eigenvectors of A, then A is diagonalizable.

This statement is true.

If A is diagonalizable, then A is invertible.

This statement is false.

What is diagonalizable matrix?

If there is an invertible matrix P and a diagonal matrix D such that P^-1AP=D, or alternatively A=PDP^-1, then the square matrix A is said to be diagonalizable or non-defective in linear algebra.

If Rn has a basis of eigenvectors of A, then A is diagonalizable.

This statement is true.

In this case we can construct an invertible matrix P.

If A is diagonalizable, then A is invertible.

This statement is false.

It’s invertible if it doesn’t have a zero as eigen value but this doesn’t affect diagonalizabilty.

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The given statement is true. While large groups of individuals work on key OSS projects, such as the Linux operating system, some widely used efforts have had fewer developers, creating concerns over quality and security.

Given,

While large groups of individuals work on key OSS projects, such as the Linux operating system, some widely used efforts have had fewer developers, creating concerns over quality and security.

We have to find whether the given statement is true or false;

OSS;- Open Source Software

Code that is intended to be publicly accessible is known as open source software; anybody can view, alter, and distribute the code as they see appropriate. Peer review and community production are used in the decentralized, collaborative development of open source software.

Here,

The given statement is true.

That is, While large groups of individuals work on key OSS projects, such as the Linux operating system, some widely used efforts have had fewer developers, creating concerns over quality and security.

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In mathematics, a closed-formula is a mathematical expression that uses a finite number of standard operations. It may contain constants, variables, and operations etc.

A closed formula is an expression that can be computed by applying a fixed or finite number of standard opertions.

Example; Assume that the first term is a1(16 pts)

(a) 2,6,12,20,30,42,....

(b) 1,5,23,119,719,…

(c) 2,4,6,10,16,26,42,…

(d) 8,12,17,23,30,…

hence the closed formula will be a1=(1+1,1+5,1+11,1+29,1+24)

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The area of the triangle when the height is 12 cm would be 414 cm².

The area of the triangle is half the product of its base and height.

A = (1/2)bh

Given that the area A of a triangle whose base is b 3 cm less than six times the height h.

Consider h be the height of the triangle. With this the base may be represented as; 6h - 3.

Therefore,

A = (1/2)bh

A =  (1/2)(6h - 3)h

Now to the equation the value of h, 

  A = (1/2)((6)(12 cm) - 3)(12 cm)

A = 414 cm²

Therefore, the area of the triangle when the height is 12 cm would be 414 cm².

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The following systems of equations can be used to find the number of pounds of zucchini that were solds z + c = 108 and 150.32 = 1.69z + 0.99c

A farmer sold 108 pounds of produce

The produce that consisted of z pounds of zucchini and c pounds of cucumbers.

z + c = 108

The farmer sold the zucchini for $1.69 per pound and the cucumbers for $0.99 per pound

He collected a total of $150.32.

Money collected by zucchimi = 1.69 x z = 1.69z

Money collected by cucumbers = 0.99 x c = 0.99c

Total money collected = money collected by zucchini + money collected by cucumbers

150.32 = 1.69z + 0.99c

Therefore, the system of equations is z + c = 108 and 150.32 = 1.69z + 0.99c

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Answer:

y = -1/2x - 1

Step-by-step explanation:

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(c) is the correct option. When we subtract w₂ from w₁, we get (2 - 3i).

According to our question, we came to know the values of w₁ and w₂ which are written below:
w₁ = -3i
w₂ = -2

In order to subtract w₂ from w₁, we need to arrange the expression as below:

w₁ - w₂ = -3i - (-2)
Upon opening the bracket, minus(-) will be multiplied by (-2) and it becomes +2.  ∴ - x - = +

Hence,
w₁ - w₂ = -3i + 2

We cannot add -3i with 2 as 'i' referred to as 'iota' is an imaginary number that is used to express complex numbers. Its value is [tex]\sqrt{-1}[/tex]. So, our final solution will be.

w₁ - w₂ =  2 - 3i

Which will be our answer and option (c) is correct.

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Your Question is incomplete, but most probably your full question was:

Consider w₁= -3i and w₂ = -2. What is the result of subtracting w₂ from w₁?

a. i

b. -i

c. 2-3 i

d. -2+3 i

Point (-3,5) is  a solution to the system of inequalities

What is inequality?

An inequality in mathematics depicts the connection between two values in an algebraic statement that are not equal. One of the two variables on the two sides of the inequality may be greater than, greater than or equal to, less than, or less than or equal to another value, according to inequality signals.

For this case, what we must do is find a point that meets both inequalities.

y> -2

x + y <4

We have then:

For (0,4):

First inequation:

4> -2 (correct)

Second inequality:

0 + 4 <4 (incorrect)

For (1,4):

First inequation:

4> -2 (correct)

Second inequality:

1 + 4 <4 (incorrect)

For (-3,5):

First inequation:

5> -2 (correct)

Second inequality:

-3 + 5 <4 (correct)

Point (-3,5) is system solution

For (-2,-3):

First inequation:

-3> -2 (incorrect)

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Answer:

Step-by-step explanation:

There is no specific question here, but perhaps it is solve for Y? is there any more information?

P= 14 - Y

J= 8  +Y

The total number of multiplications and additions done when evaluating a polynomial of degree n are 2n.

What is degree of polynomial

The highest degree of a polynomial's monomials with non-zero coefficients is referred to as the polynomial's degree in mathematics. A term's degree is a non-negative integer and is calculated by adding the exponents of all the variables that occur in it.

An expression comprising more than two algebraic terms, particularly the sum (or difference) of numerous terms that contain various powers of the same or distinct variables, is referred to as a polynomial (s) degree.

Inside for loop there is one multiplication (y*c) and addition(y*c + ai) and the loop happens n times. So, 2*n based on excluding the increment of i.

Hence, The total number of multiplications and additions done when evaluating a polynomial of degree n are 2n.

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Answer:

Use y = mx + b form.

Substitute x, y and m.

Solve for b.

Now you have m, and b.

Use the form again, substitute m and b.

That will give you the generalized equation. You can use it to describe every point on the line.

The correct answer is Option D which is function.

Given that,

You can make computations using this Excel feature by simply entering the necessary inputs.

Range

Syntax

Formula

Function

Answer is Option D

Using the necessary arguments in the right sequence, a function is a predetermined formula that conducts calculations. SUM, AVERAGE, COUNT, etc. are some built-in functions. the arguments in that the calculation needs function and it is selected over Range, Syntax, Formula

So, The correct answer is Option D which is function.

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Sally and Steve approximately 2.9 hours to paint the room together.

The fundamental concept of Time and Work is the same as it is in all Arithmetic topics, namely the concept of Proportionality. When the amount of work done remains constant, efficiency is inversely proportional to time.

Work Done = Time Spent Work Rate

Work Rate = [tex]\frac{1}{time taken}[/tex].

Time Spent = [tex]\frac{1}{rate of work}[/tex].

If a piece of work is completed in x days, then the work completed in one day = [tex]\frac{1}{x}[/tex].

There are two kinds of questions about time and work. Individuals working alone or in groups with different individuals can be a problem.

efficiencies or there may be issues with combined group efficiency. Now, if a person 'A' completes a specific task in X days, the work completed by 'A' in one day is = [tex]\frac{1}{x}[/tex].

Similarly, if a person 'B' completes a specific task in Y days, then his work completed in one day is =[tex]\frac{1}{y}[/tex].

So, if A and B work collaboratively, their combined work done in one day will be [tex]\frac{1}{x} +\frac{1}{y}[/tex], and they will be able to complete the work in [tex]\frac{xy}{x+y}[/tex] days.

Given:

Sally spends 5 hours painting one room.

Steve spends 7 hours painting one room.

In response to the question

Sally will paint part of the room in one hour = [tex]\frac{1}{5}[/tex] part

Steeve will paint part of the room in one hour = [tex]\frac{1}{7}[/tex] part

Together they will paint =[tex]\frac{5*7}{5+7}[/tex] = [tex]\frac{35}{12}[/tex]part

∴ then the complete room will be pained by them = [tex]\frac{35}{12}[/tex]

     = 2.916666… hours

Sally and Steve approximately 2.9 hours to paint the room together.

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The ways to prove right triangles congruence:

Triangle in the right position

Congruent Hypotenuse-Angle.

Leg-Angle Consistency

Hypotenuse–Leg Congruence

What is a right-angle triangle?

It is a triangle in which one of the angles is 90 degrees and the other two are sharp angles. The sides of a right-angled triangle are known as the hypotenuse, perpendicular, and base.

According to the RHS Criterion:

If the hypotenuse and one of the sides of a right-angled triangle match the hypotenuse and the corresponding side of another right-angled triangle, then the two triangles are said to be congruent.

Leg-to-leg coherence Right triangles are said to be congruent if their respective legs match up with those of another right triangle.

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Being afraid of the unknown prevents Hamlet from using death as a solution to end his difficulties.

This is how Hamlet's view of death changes throughout the play.

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The correlation coefficient of

(a) X1 + X2 and X2 + X3  would be 1/2.

(b) X1 + X2 and X3 + X4 would be 0.

What is the correlation in statistics?

Correlation is a statistical measure (a number) that describes the magnitude and direction of a relationship between two or more variables. A correlation between variables, on the other hand, does not imply that a change in one variable is the cause of a change in the values of the other variable.

(a) X1 + X2 and X2 + X3.

We have

Cov(X1 + X2, X2 + X3) = Cov(X1, X2) + Cov(X1, X3) + Cov(X2, X2) + Cov(X2, X3)

                                    = 0 + 0 + Var(X2) + 0

                                    = 1.

We know that

Var(X1 + X2) = Var(X1) + Var(X2) + 2 Cov(X1, X2) = 1 + 1 + 2 · 0 = 2.

Similarly, Var(X2 + X3) = 0. So the correlation between X1 + X2 and X2 + X3 is

                        [tex]=\frac{Cov(X1+X2, X2+X3)}{\sqrt{Var(X1 + X2) Var(X2 + X3)} }\\\\=\frac{1}{\sqrt{2.2} }\\\\=\frac{1}{2}[/tex]

(b) X1 + X2 and X3 + X4.

Since

Cov(X1 + X2, X3 + X4) = Cov(X1, X3) + Cov(X1, X4) + Cov(X2, X3) + Cov(X2, X4)

                                   = 0 + 0 + 0 + 0

                                   = 0,

the correlation between X1 + X2 and X3 + X4 is 0.

Hence, the correlation coefficient of X1 + X2 and X2 + X3  would be 1/2

and X1 + X2 and X3 + X4 would be 0.

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Alya put an average amount of 10.5g of the mix in each bowl.

Define average.

In math and statistics, the arithmetic mean or arithmetic average, or just the mean or the average, is the sum of a collection of numbers divided by the count of numbers in the collection.

The average is defined as the mean value, which is equal to the ratio of the sum of a given set of values to the total number of values present in the set.

Solution Explained:

Given in question,

Amount of pretzels = 10.2g

Amount of nack mix = 21.3g

When mixed,

The amount of the combined mix = 10.2 + 21.3 = 31.5g

So, if there are 3 bowls and Alya puts an equal amount into each one, we get

Amount of mix in each bowl = 31.5/3 = 10.5g

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Answer:

All looks  good but Problem 5 K

363

Step-by-step explanation:

33 x 11 = 363

Answer: I only saw one mistake. On your mixed practice, K is wrong. It is 363, not 636.

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Owen can revoke the offer to sell his motorcycle to Julian as long as Julian has not yet accepted offer

First Owen offers to sell his motorcycle to Julian for $5000.

Then after makes the offer, Owen has second thoughts and he want to revoke the offer to sell his motorcycle to Julian.

According to revoke of offer to sell an individual who makes an offer have the power to revoke so long as it hasn't yet been accepted by the other party. Therefore he can revoke the price as long as Julian has not yet accepted the offer

Hence, Owen can revoke the offer to sell his motorcycle to Julian as long as Julian has not yet accepted offer

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