Question

A report stated that 22% of people agree with the death penalty for punishment for criminals....

A report stated that 22% of people agree with the death penalty for punishment for criminals. You conduct your own SRS study and find that of the 93 people you interviewed, 23 agree with the death penalty under these conditions. You want to test the claim that the percentage of people who believe in the death penalty is greater than 22%.

Use ? = 0.05.

a) State the null and alternative hypothesis.

b) Is it left-tailed, right-tailed or two-tailed test?

c) Calculate the test statistic.

d) Find the P-value.

e) Find the critical value.

f) Is there significant evidence to reject the report?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Hope you'll understand the solution provided by me since it's step by step.

If you do, please like it and comment, if you have any more query. Thanks.

0 0
Know the answer?
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
Similar Questions
A report stated that 22% of people agree with the death penalty for punishment for criminals....
A report stated that 22% of people agree with the death penalty for punishment for criminals. You conduct your own SRS study and find that of the 93 people you interviewed, 23 agree with the death penalty under these conditions. You want to test the claim that the percentage of people who believe in the death penalty is greater than 22%. Use ? = 0.05. a) State the null and alternative hypothesis. b) Is it left-tailed, right-tailed or two-tailed test?...
In November 2009, 65% of Americans favored the death penalty for a person convicted of murder....
In November 2009, 65% of Americans favored the death penalty for a person convicted of murder. In November 2014, 1250 adult Americans were asked by the Gallup organization, “Are you in favor of the death penalty for a person convicted of murder?” Of those surveyed, 783 responded yes. Use this survey data to test whether the proportion of Americans who favored the death penalty for a person convicted of murder had changed from 2009 to 2014 at level of significance...
In 2002, the mean age of an inmate on death row was 40.7 years, according to...
In 2002, the mean age of an inmate on death row was 40.7 years, according to data obtained from the U.S. Department of Justice. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 34 death-row inmates and finds that their mean age is 38.5, with a standard deviation of 10.2.  Does this data indicate that the mean age of death-row inmates has changed significantly since 2002. Use the α = 0.05 level...
For questions 20 – 23 answer all the following questions: a)State the Null and Alternate Hypotheses...
For questions 20 – 23 answer all the following questions: a)State the Null and Alternate Hypotheses b) Which is the claim? c) Describe the reject region as left tailed, right tailed or two-tailed. d) Will you use a z-test or a t-test? What is the critical value? e) Find the sample statistic. f) Do you reject or fail to reject the claim? Write out your decision in at least one sentence. 20.   A report by a restaurant reviewer claims that...
DATA: According to data, 72.4% of the population in Kahului, Maui drive alone for their commute...
DATA: According to data, 72.4% of the population in Kahului, Maui drive alone for their commute to work. You believe this is too high and will perform a study at a 5% level of significance. A group of 30 people were sampled in Kahului, Maui where 21 people stated that they drive alone for their commute to work. H0: p = 0.724 Ha: p < 0.724 pcap = 21/30 = 0.7 Test statistic, z = (pcap - p)/(p*(1-p)/n)) z =...
Fox News reports that People are all excited because they have taken an exit poll of...
Fox News reports that People are all excited because they have taken an exit poll of 1200 voters and found that 50.5% of the voters say that they voted for Richard Nixon and they predict that he will be president. Test this claim using a 1 % significance level. (α=0.01) Define your hypothesis. Calculate the test statistic. By hand or by calculator. Calculate the proper critical value. Find the probability value (p value). Is this a right tailed test, left...
Fox News reports that People are all excited because they have taken an exit poll of...
Fox News reports that People are all excited because they have taken an exit poll of 1200 voters and found that 50.5% of the voters say that they voted for Richard Nixon and they predict that he will be president.   Test this claim using a 1 % significance level. (α=0.01) Define your hypothesis. Calculate the test statistic. By hand or by calculator. Calculate the proper critical value. Find the probability value (p value). Is this a right tailed test, left...
Hypothesis Test Example For Proportions: What proportion of people do not drink alcohol? You believe that...
Hypothesis Test Example For Proportions: What proportion of people do not drink alcohol? You believe that the proportion of people in the U.S.A. who do not drink is less than 15%. To determine if you are correct, you take a SRS of 400 U.S. residents, and find the proportion of people who do not drink in your sample is 0.22. Conduct a hypothesis test at the 5% significance level. A). Write the hypotheses for the test. B). Check the assumptions...
The report titled "Digital Democracy Survey"† stated that 31% of the people in a representative sample...
The report titled "Digital Democracy Survey"† stated that 31% of the people in a representative sample of adult Americans age 33 to 49 rated a landline telephone among the three most important services that they purchase for their home. In a representative sample of adult Americans age 50 to 68, 48% rated a landline telephone as one of the top three services they purchase for their home. Suppose that the samples were independently selected and that the sample size was...
A new bus route has been established between downtown Denver and Englewood (a suburb of Denver)....
A new bus route has been established between downtown Denver and Englewood (a suburb of Denver). Eric has taken the bus to work for many years. For the old bus route, he knows from long experience that the mean waiting time between buses at his stop was 20 minutes. However, a random sample of 34 waiting times between buses using the new route had a mean of 17.2 minutes with a sample standard deviation of 6.4 minutes. Does this indicate...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT