ZuoTi.Pro
Question

Question 15 A Pew Poll in 2010, found that 50% of adults aged 25-29 had access...

Question 15

A Pew Poll in 2010, found that 50% of adults aged 25-29 had access to only a cell phone, while 40% had access to both a cellphone and landline and 10% had access to only a landline. We wish to conduct a Goodness of Fit Test to see if the results of a poll of a random sample of 130 adults aged 25-29 are significantly different from the 2010 poll results.

The random sample of 130 adults found that 69 had access to only a cell phone, 39 had access to only a landline, and 22 had access to both types of phones.

Which of the following are the correct null and alternative hypothesis for this test?

A.

Ho: The distribution is different than in 2010. Ha: The distribution is the same as in 2010.
B.

Ho: The distribution is the same as in 2010. Ha: The distribution is different than in 2010.
C.

Ho: p = 0.50 Ha: p =/= 0.50
math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

PAGE No. DATE auestion- 15 Hene ours ege s is to see if the oelect Ho a1 Some eve of Signiticance. e sting ignib 8- B] Ho : The distaibed ion is same as in2010 心

0 0
Add a comment
Know the answer?
Add Answer to:
Question 15 A Pew Poll in 2010, found that 50% of adults aged 25-29 had access...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Question 17 A Pew Poll in 2010, found that 50% of adults aged 25-29 had access...

    Question 17 A Pew Poll in 2010, found that 50% of adults aged 25-29 had access to only a cell phone, while 40% had access to both a cellphone and landline and 10% had access to only a landline. We wish to conduct a Goodness of Fit Test to see if the results of a poll of a random sample of 130 adults aged 25-29 are significantly different from the 2010 poll results. The random sample of 130 adults found...

  • Question 16 A Pew Poll in 2010, found that 50% of adults aged 25-29 had access...

    Question 16 A Pew Poll in 2010, found that 50% of adults aged 25-29 had access to only a cell phone, while 40% had access to both a cellphone and landline and 10% had access to only a landline. We wish to conduct a Goodness of Fit Test to see if the results of a poll of a random sample of 130 adults aged 25-29 are significantly different from the 2010 poll results. The table below presents the observed results....

  • According to a poll done in 2010, 58 % of adults aged 25-29 had only a...

    According to a poll done in 2010, 58 % of adults aged 25-29 had only a cell phone (no landline). Assume that two randomly selected adults (aged 25-29) are asked whether they have only a cell phone. The probability that one of the adults has only a cell phone is ?

  • Are U.S. adults aged 18-29 more likely to use Facebook than U.S. adults aged 30-49?” The...

    Are U.S. adults aged 18-29 more likely to use Facebook than U.S. adults aged 30-49?” The Pew Research Center conducted a survey with a random sample of U.S. adults in January 2018.2 Out of 351 adults aged 18-29, 282 used Facebook. Out of 525 adults aged 30-49, 410 used Facebook. a. Compute the value of the statistic of interest. b. Are the appropriate conditions met to conduct a hypothesis test using the z-distribution? Explain. c. Conduct a hypothesis test to...

  • A 2020 Pew Research poll found that 65% of U.S. adults believe that President Donald Trump...

    A 2020 Pew Research poll found that 65% of U.S. adults believe that President Donald Trump was too slow to make major steps to stop the spread of the coronavirus. Let's assume that 0.65 is the population proportion. Suppose random samples of 100 U.S. adults are randomly selected, and the proportion of each sample is found. What is the standard error of this sampling distribution? Round the value to 3 decimal places.

  • 6.42 Evolution versus Creationism: A Gallup Poll released in December 2010 asked 1019 adults living in...

    6.42 Evolution versus Creationism: A Gallup Poll released in December 2010 asked 1019 adults living in the Continental U.S. about their belief in the origin of humans. These results, along with results from a more comprehensive poll from 2001 (that we will assume to be exactly accurate - i.e. known values), are summarized in the table below: Response Year: 2010 Year: 2001 Humans Evolved with God guiding (1) 38% 37% Humans evolved but God had no part in the process...

  • Hard Times: In June 2010, a random poll of 800 working men found that 9% had...

    Hard Times: In June 2010, a random poll of 800 working men found that 9% had taken a second job to help pay the bills A) Estimate the true percentage of men that are taking on second jobs y constructing a 95% confidence interval B) A pundit on TV news show claimed that only 6% of working men had a second job. Use your confidence interval to test whether his claim is plausible given the poll data.

  • Question 29 According to a Pew Research Center study, in May 2011, 30% of all American...

    Question 29 According to a Pew Research Center study, in May 2011, 30% of all American Type numbers in the boxes. adults had a smart phone (one which the user can use to read email and surf 10 points the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 452 community college students at random and finds that 180 of them have a smart phone. Then in testing the hypotheses: Ho:...

  • a poll of 2094 randomly selected adults showed that 94% of them own cell phones A...

    a poll of 2094 randomly selected adults showed that 94% of them own cell phones A poll of 2,094 randomly selected adults showed that 94% of them own cell phones. The technology display below results from a test of the claim that 92% of adults own cell phones. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts (a) through (e). Test of p = 0.92 vs p*0.92 Samplex N...

  • Suppose that a recent poll found that 50% of adults in a certain country believe that...

    Suppose that a recent poll found that 50% of adults in a certain country believe that the overall state of moral values is poor. If a survey of a random sample of 20 adults in this country is conducted in which they are asked to disclose their feelings on the overall state of moral values, complete parts (a) through (e) below. Click here to view the table for the binomial probability distribution. Click here to view the table for the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT