In a recent Super Bowl, a TV network predicted that 52 % of the audience would express an interest in seeing one of its forthcoming television shows. The network ran commercials for these shows during the Super Bowl. The day after the Super Bowl, and Advertising Group sampled 71 people who saw the commercials and found that 36 of them said they would watch one of the television shows. Suppose you are have the following null and alternative hypotheses for a test you are running: H0:p=0.52H0:p=0.52

e-Books A study by the Pew Internet & American LifeProject found that 78% of U.S. residents over 16 yearsold read a book in the past 12 months. They also foundthat 21% had read an e-book using a reader or computer during that period. A newspaper reporting on these find-ings concluded that 99% of U.S. adult residents had reada book in some fashion in the past year. (http://libraries.pewinternet.org/2012/04/04/the-rise-of-e-reading/) Do youagree? Explain.

A medical school claims that more than 28% of its students plan to go into general practice. It is found that among a random sample of 130 of the school's students, 39% of them plan to go into general practice. Find the P-Value for testing the school's claim. O a. 0.3461 O b. 0.0280 OC. 0.0026 O d. 0.1635

An anger-management courseclaims that, after completing its seminar, participants will lose their tempers less often. Always a skeptic, you decide to test this claim. A random sample of 12 seminar participants is chosen, and these participants are asked to record the number of times that they lost their tempers in the two weeks prior to the course. After the course is over, the same participants are asked to record the number of times that they lost their tempers in the next two weeks. The following table lists the results of the survey. Using these data, test the claim at the 0.01 level of significance assuming that the population distribution of the paired differences is approximately normal. Let d= (participants after completing the anger-management course) −(participants before completing the anger-management course).  Number of Times Temper Was Lost during a Two-Week Period Before 10 6 5 8 7 7 10 6 3 10 3 8 After 6 7 4 5 4 7 8 6 4 9 3 7   Step 2 of 3 :  Compute the…

For many years, TV executives used the guideline that 30% of the audience was watching each of the traditional big three prime-time networks and 10% was watching cable stations on a weekday night. A random sample of 500 viewers in the Tampa-St. Petersburg, Florida, area last Monday night showed that 170 homes were tuned in to the ABC affiliate, 140 to the CBS affiliate, and 140 to the NBC affiliate, with the remainder viewing a cable station. At the 0.02 significance level, can we conclude that the guideline is still reasonable? Ho: The proportions are as stated. H: The proportions are not as stated. State the decision rule using 0.02 significance level. (Round your answer to 3 decimal places.) Reject HO if chi-square > Compute the value of chi-square. (Round your answer to 3 decimal places.) Chi-square value What is your decision regarding Hg? HO. Proportion of viewers as stated. Do not reject Reject

help me fix a please !!

A local school board wants to estimate the difference in the proportion of households with school-aged children that would support starting the school year a week earlier, and the proportion of households without school-aged children that would support starting the school year a week earlier. They survey a random sample of 40 households with school-aged children about whether they would support starting the school year a week earlier, and 30 households respond yes. They survey a random sample of 45 households that do not have school-aged children, and 25 respond yes. Assuming the conditions for inference have been met, what is the 90% confidence interval for the difference in proportions of households that would support starting the school year a week earlier?