Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours was with a standard deviation of . Assume that in a sample of teenagers, the sample standard deviation of daily TV time is hours, and that the population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers differs from ? Use the level of significance.

Answers

Answer 1
Watching TV: In 2012, the General Social Survey asked a sample of 1326 people how much time they spent watching TV each day. The mean number of hours was 3.02 with a standard deviation of 2.64. A sociologist claims that people watch a mean of 3 hours of TV per day.

Related Questions

The volume of a balloon is given by the equation
V = t^2-3t+3. What is the volume of the
balloon after 3 seconds?
A) 3
B) 6
C) 9
D) 12

Can anyone help me solving this problem

Answers

Answer:

Explanation:

Replace t by its value which is 3 and the answer is V=3

Volume of balloon after 3 seconds is 3 unit

Given that;

Equation of volume

V = t² - 3t + 3

Time taken = 3 seconds

Find:

Volume of balloon after 3 seconds

Computation:

V = t² - 3t + 3

By putting t = 3

V = 3² - 3(3) + 3

V = 9 - 9 + 3

V = 3 Cubic unit

Volume of balloon = 3 unit

Learn more:

https://brainly.com/question/15861918?referrer=searchResults

Which of the following is an appropriate way to decline an offer in a
professional environment?
A. Nah.
B. We ain't gonna take it.
C. No way!
0
D. Unfortunately, we are not in a position to accept the offer.
SUBMIT

Answers

Answer:

Unfortunately, we are not in a position to accept the offer.

Answer:

Unfortunately, we are not in a position to accept the offer.

Explanation:

Just did test

What are different roles of podiatrist ?and what are their responsibilities ??

Answers

Answer:

Explanation:

Podiatrists provide medical and surgical care for people with foot, ankle, and lower leg problems. They diagnose illnesses, treat injuries, and perform surgery involving the lower extremities

brainliest pls

What was one reason for education reforms?


A. to make sure every educated person got a job


B. to give government more power


C. to keep children from having to work on family farms


D. to create educated voters

Answers

Answer:

the correct answer is D

Explanation:

Answer:

to create educated voters

Explanation:

i just took the test

i'm just looking at the bottom of this empty bottle asking myself what's the purpose of my life i'm just a waste of space

Answers

don’t say that. you are not a waste of space

Why is it important to develop social competence among young children? Please help me

Answers

Answer:

It’s important to develop social competence among young children because social competence allows children to interact and talk with their peers in a variety of ways. It’s also important to develop social competence among young children to maintain positive relationships with their peers and other adults.

What is the measure of the angle of the hands on a clock if it is 3:24

Answers

Answer:40-42 degrees

Explanation:

The standard error of the mean is:

a) a measure of variability in the population from which the sample was derived
b) the standard deviation of the sampling distribution of the mean
c) always equal to 1 because the sampling distribution is always normal in shape

Answers

Answer:

b) the standard deviation of the sampling distribution of the mean

Explanation:

Typically, the standard error of the mean is a term in statistics that describes the deviation in the sample mean from the actual mean of a population.

Therefore, in this case, the standard error of the mean is "the standard deviation of the sampling distribution of the mean."

HELP FAST PLEASE


Which of the following is a time-management technique? A. Avoid calendaring everything.
B. Take on all you can handle.
C. Take weekends off.
D. Turn off distractions.

Answers

Answer:

I think D might me the answer.

Explanation:

Sorry if it wrong

The following is a time-management technique Turn off distractions.

What is Time management technique?

To manage your time effectively and accomplish your goals, you must make choices about what to do, when to finish, and which tasks to take on.

You'll be able to say that you successfully managed your time if you decide to give high-value, goal-oriented chores a priority, complete them before the deadline, and leave time for leading a healthy life.

To be more effective and efficient with your time, make better and quicker decisions, and do more in less time and with less work, you must adhere to a set of rules and principles called time management strategies.

Therefore, The following is a time-management technique Turn off distractions.

To learn more about Time management, refer to the link:

https://brainly.com/question/22988825

#SPJ7

A school newspaper reporter decides to randomly survey 14 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 19% of students attend Tet festivities. We are interested in the number of students who will attend the festivities.

Answers

Answer:

It is expected that between 2 and 3 of those students will go to the Tet festival.

Explanation:

Given that a school newspaper reporter decides to randomly survey 14 students to see if they will attend Tet (the Vietnamese New Year) festivities this year, and based on past years, journalists know that 19% of students attend Tet festivities, to determine the number of students who will attend the festivities, the following calculation must be performed:

14 x 19/100 = X

266/100 = X

2.66 = X

Thus, it is expected that between 2 and 3 of those students will go to the Tet festival.

Which sentence (A or B) or sentences ( A and B) have correct parallel structure?

A. The president of the United States is not only the chief executive of the country but is also in charge of the military.
B. The president of the United States is not only the chief executive of the country but also the commander-in-chief of the military.

Answers

Answer:

B is the correct answer.

A faulty register records only $5 for every $8
deposit. If the register shows a total balance of
$40, what is the actual balance?
A) $25
B) $64
C) $72
D) $80

Answers

B) $64 add it up
5x8=40
3x8=24
40+24=64

Hi to everyone I have a question can anyone help me and recommend some videos for SAT lesson (percentage and circle lesson)I have took a lot lesson and watch a lot of Videos lesson but still I can't solve any questions.

Answers

Answer:

bring a sat book and work on it

Explanation:

dont forget to buy hp 10 pencil and circle the whole circle

HELP ME PLS freepointsforyou

Answers

Answer:

thx have a good day

Explanation:

Answer:

thanks .... hru bro have a great day bye..

Scientific hypotheses are explanations about observations that have not yet been proven. To determine if a hypothesis is correct, scientists gather evidence by collecting data. Which statement is true about the role of evidence in scientific investigations?




A) Scientists must only consider evidence that supports their own hypotheses about investigations.

B) Scientists must analyze all evidence during investigations, whether it supports their hypotheses or not.

C) Scientists must restart investigations whenever they find evidence that does not support their hypotheses.

D) Scientists must change their hypothesis if they find any evidence that does not align with their hypotheses.

Answers

Answer is D because D is coming in the car ima and I’m going on the phone and I’m not sure if he is coming back or what I do but I’m not sure if I should be there at all I don’t have any of the stuff I need you I can come to my work wyd and I’m going on

Answer: its not D its

Scientists must restart investigations whenever they find evidence that does not support their hypotheses.

Explanation:

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