The start-up's cell phone has a significantly longer battery life than the leading product.
To determine if the start-up's claim of having a battery life more than two hours longer than the leading product is valid, we can conduct a hypothesis test. Since the sample sizes are relatively large (120 and 121), we can use the z-test.
First, we set up the null and alternative hypotheses:
Null hypothesis (H 0): The start-up's cell phone battery life is not more than two hours longer than the leading product.
Alternative hypothesis (Ha): The start-up's cell phone battery life is more than two hours longer than the leading product.
Next, we calculate the test statistic, which is the difference in sample means divided by the standard error of the difference:
Test statistic = (8 hours and 1 minute - 5 hours and 31 minutes) / sqrt[(56 minutes)^2/121 + (32 minutes)^2/120]
Using the test statistic, we can determine the p-value, which represents the probability of observing a test statistic as extreme as the one calculated under the null hypothesis. If the p-value is less than a chosen significance level (e.g., 0.05), we reject the null hypothesis in favor of the alternative hypothesis.
If the null hypothesis is rejected, it provides evidence that the start-up's cell phone indeed has a significantly longer battery life than the leading product.
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Which of the following is a camera problem that dirt can cause?
Scratched lens
Scratched mirrors
Damaged sensors
All of the above
Answer:
all of the above
Explanation:
hope this helps:)
Answer:
all of the above
Explanation:
i took the test and got it right
Which term means a device that converts one voltage to another?
current
adapter
voltmeter
digital signal
Answer:
Adapter
Explanation:
The term means a device that converts one voltage to another adapter. The correct option is B.
What is an adapter?An adapter is a physical device that allows one hardware or electronic interface to be adapted (accommodated without losing function) to another.
An adapter in a computer is typically built into a card that can be inserted into a slot on the computer's motherboard.
An adapter, also known as an adaptor, is a device that converts the characteristics of one electrical device or system to those of another, otherwise incompatible device or system.
Some change the power or signal attributes, while others simply change the physical shape of one connector to another.
The term refers to a device that converts one voltage to another.
Thus, the correct option is B.
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match the following of computer
who need best OCR app . I will help you.
Answer:
i do
Explanation:
Which of the following is NOT a legal variable name?
%information
appointment_hour
O grade3
firstName
Answer:
a
Explanation:
a
WILL GIVE BRAINLIEST!!!!!!!!!
This type of power system is often used in the health field and food industry due to its system cleanliness.
Mechanical
Fluid
Electrical
None of these
Answer:
fluid
Explanation:
Write a program that asks the user for a positive 3-digit number. Then print the number in reverse.
In python 3:
number = input("Enter a positive 3-digit number: ")
while int(number) < 0 or len(number) != 3:
number = input("Enter a positive 3-digit number: ")
print(number[::-1])
I hope this helps!
Jason is creating a web page for his school's basketball team. He just finished creating his storyboard. Which tool should he use to start coding?
Storyboard
Text editor
Web browser
Word processing document
You must check the box below prior to sub
Jason should use a text editor
Answer:
text editor
Explanation:
Which of the following lists contains the five essential elements of a computer? Group of answer choices: 1. inputs, returns, programs, processes, and storage 2. language, software, hardware, code, and development 3. inputs, outputs, programs, processes, and storage 4.binary, code, inputs, processes, and storage
Answer:
The answer is "C"
Explanation:
inputs, outputs, programs, processes, and storage
help please hurrry asap I WILL MARK BRAINLEST
Adam has decided to add a table in a Word doc to organize the information better.
Where will he find this option?
1 Insert tab, Illustrations group
2 Insert tab, Symbols group
3 Insert tab, Tables group
4 Design tab, Page Layout group
Answer:
4) design tab, Page layout group
Explanation:
Answer:
3 insert tab, tables group
It may be necessary to work more than 40 hours a week as a salaried employee when ______.
Answer:
you hold an executive, administrative, or professional position in which you supervise more than one employee and earn a minimum of $455 per week.
Explanation:
According to the Fair Standards Labor Act, salaried workers in the United States are entitled to overtime pay when they work for more than 40 hours in a week.
However, there are some exemptions to this. If a salaried worker in the United States holds a top position such as the above-listed, earns more than $455 in a week and he supervises a host of workers, he does not qualify for overtime pay. His job role already demands that he would have to work overtime most times. For this reason, he should not expect extra pay.
9. Mrs. Cunningham says that the real significance of Grade 6 is that it marks the beginning of self-awareness in the children about their roles as social creatures.
Answer:
yes, the answer is true
examples of algorithm
Answer:
1] Binary Search.
2] Merge Sort.
3] Adding and Removing From a Linked List.
Explanation:
TRY IT Choose the Right Technology MP3 player Widescreen laptop computer Smartphone Tablet computer with wireless Internet Suppose your parents are planning to take you and your younger brother on a tour of several European countries. You are in charge of choosing a device for your family's vacation that will allow you to look up where to eat, what to see, and what to do. You will need something that you, your parents, and your younger brother can use. The device needs to accommodate your dad's large hands and your mother's request that it fit in her handbag, which is about half the size of a backpack O Digital camera Audio recorder DONE Which one of the following devices would you choose to meet those requirements?
the answer is:
d. tablet computer with wireless internet.
The purpose of an income statement is to identify the net income of the business true or false
as the reader, you can figure out the writer's ____ based on his or her word choice and sentence structure a. purpose b. audience c. tone d.structure
Answer:
purpose
Explanation:
a writer always has a purpose for writing is it to make the audience understand?to make them entertained any of those and many more
Answer:
It Would Be tone
Explanation:
what does snap do need the answer now
What does Snap do?
enables you to create a shortcut to a program, document, or file
enables you to temporarily hide all open windows and view the desktop
enables you to close all windows but the one you’re viewing
enables you to resize open windows
Answer:
Snap enables you to resize open windows,
Explanation:
Snap enables you to resize open windows, It is convenient when you want to see two windows simultaneously (side by side).
To do this, drag the desired window the left\right until the cursor reaches to the edge of the screen and then release the mouse.
The window will snap into place.
How can I do 3.6 code practice
Answer:
a = int(input("Enter a number: "))
print("Largest: " + str(a) )
b = int(input("Enter a number: "))
print("Largest: " + str(max(a, b)))
c = int(input("Enter a number: "))
print("Largest: " + str(max(a, b, c)))
d = int(input("Enter a number: "))
print("Largest: " + str(max(a, b, c, d)))
e = int(input("Enter a number: "))
print("Largest: " + str(max(a, b, c, d, e)))
f = int(input("Enter a number: "))
print("Largest: " + str(max(a, b, c, d, e, f)))
Explanation:
Here you go let me know if this works!
Which type of cyber attack attempts to lure victims to share their personal and financial information?
Please help with this error message
This likely has nothing to do with your for loop. Before we get into the error, let's discuss arguments.
Your methods are given arguments when you declare them. For instance, your shuttle method has two arguments.
public void shuttle(int spaces, int beepers){
}
spaces and beepers are the two arguments. When you call these methods, for instance,
shuttle();
You must include the arguments.
shuttle(1,2);
You have these errors because you're not supplying the methods with arguments.
What did Charles Babbage design in 1822 to substitute values in polynomial equations? ENIAC TRADIC Analytical Engine Difference Engine
Answer:
Difference engine
Explanation:
Babbage began in 1822 with what he called the difference engine, made to compute values of polynomial functions. It was created to calculate a series of values automatically. By using the method of finite differences, it was possible to avoid the need for multiplication and division.
Answer:
Analytical engine
Explanation:
true or false computer cannot do work by itself
Answer:
True
Explanation:
Because it cannot operate without electricity and humans.
Mark me as brainlist.
When should the Clean Up command be used?
to move all message conversations to the deleted items folder
to ensure that no future messages of that type are delivered to him
to remove redundant messages to free up space in his inbox
to clean up the deleted items folder and permanently delete messages
Answer:
the correct option in c
Explanation:
Answer: The person below me is right, its C.
Explanation: I did it on Edg and I got it right.
What is the mode of 18, 18, 15, 18, 18, 24, 21, 21, 24, and 14?
18
18.5
21
22.3
Answer: 18
Explanation:
Answer:
18
Explanation:
Question #4
Multiple Choice
What type of address is used at the network access layer to uniquely identify a piece of network hardware?
O MAC address
O frame
IP address
O datagram
PLEASE HELP
The type of address is used at the network access layer to uniquely identify a piece of network hardware is known to be called the MAC address.
Check more about the address below
What is a MAC address?A MAC (is known to be called the Media Access Control) address, and it is one that is often seen as a hardware or physical address. It is one that is said to be very special 12-character kind of alphanumeric attribute/ characteristic that is known to be used to tell about individual electronic devices on any kind of network.
Note that a good example of a MAC address is said to be: 00-B0-D0-63-C2-26. It is seen as the physical address and that is is also called a media access control, or MAC, address and it helps to tell a device to another devices on similar local network.
Therefore, based on the above, one can say that The type of address is used at the network access layer to uniquely identify a piece of network hardware is known to be called the MAC address.
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What is the total number of counts for
one whole note plus one dotted half
note plus two quarter notes minus one
half note multiplied by one half note?
Answer:
i belive your answer would be 32 because
Explanation:
whole note =4 beats
dotted half note =3 beats
and 2 quarter notes get =8 beats
all of that added together equals 18 minus half note =2 beats
which=16 times a half note which =2 would give you your answer 32
Answer:
I would say its 32 because
Explanation:
whole note =4 beats
dotted half note =3 beats
and 2 quarter notes get =8 beats
all of that added together equals 18 minus half note =2 beats
which=16 times a half note which =2 would give you your answer 32
How to connect an Apple Watch series 3 to your iPhone (ASAP)
what type of image digital image is shown here?
Answer:
2,4,6,8,10,12,14,16,18,20
Explanation:
Compared with aerospace engineers, astronomers are which of the following?
a. more likely to obtain a graduate degree
b. more likely to be employed by private industry
c. more likely to be employed by a government agency
d. more likely to obtain a bachelor’s degree
Answer: more likely to obtain a graduate
Compared with aerospace engineers, astronomers are more likely to obtain a graduate degree.
I'm 200% sure that's the one.
