* 00RIn a recent Super Bowl, a TV network predicted that 32 % of the audience would express an interest inseeing one of its forthcoming television shows. The network ran commercials for these shows during theSuper Bowl. The day after the Super Bowl, and Advertising Group sampled 99 people who saw thecommercials and found that 31 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:Ho:p= 0.32Ha:p+ 0.32Calculate the test statistic, rounded to 3 decimal placesQuestion Help: Message instructorD Post to forumSubmit QuestionJump to Answeri#324)2.3.5.9.7.6AFH.CVB N M

We have given that, The null and alternative hypothesis are :- H0 : p = 0.32 versus Ha : p ≠ 0.32…

Answered: * 00 R In a recent Super Bowl, a TV…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a recent Super Bowl, a TV network predicted that 49 % 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 98 people who saw the commercials and found that 50 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: Ho:p = 0.49 Ha:p > 0.49 Calculate the test statistic, rounded to 3 decimal places 2
A matched pairs experiment compares the taste of instant coffee with fresh-brewed coffee. Each subject tastes two unmarked cups of coffee, one of each type, in random order and states which he or she prefers. Of the 50 subjects who participate in the study, 19 prefer the instant coffee and the other 31 prefer fresh-brewed. Let p be the proportion of the population that prefers fresh-brewed coffee. a. Test the claim that a majority of people prefer the taste of fresh-brewed coffee. Report the z test-statistic and its p-value. Is your test result significant at the α = 10% level? What is your practical conclusion? b. compute the hypothesis testing with significance level a=10%. Use the data set above. c. Find a 95%(not 90%) confidence interval for population proportion p. Solution: Population: {Xi = 1} → Customer i prefers fresh-brewed coffee to instant coffee p = the proportion of the population that prefers fresh-brewed coffee. Hypotheses (UPPER, LOWER, or TWO-Tailed TEST) with ? =…
In a recent Super Bowl, a TV network predicted that 73 % 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 58 people who saw the commercials and found that 43 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=0.73H0:p=0.73Ha:p>0.73Ha:p>0.73Calculate the test statistic, rounded to 3 decimal places
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=0.52Ha:p>0.52Ha:p>0.52Calculate the test statistic, rounded to 3 decimal places
In a recent Super Bowl, a TV network predicted that 33 % 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 146 people who saw the commercials and found that 45 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: Ho:p = 0.33 Ha:p + 0.33 (a) Calculate the sample test statistic: (b) Calculate the standardarized test statistic (the z-score). Z =
How many subjects in the "patch only" group would you expect not to quit
An anger-management course claims 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 participants before completing the anger-management course be Population 1 and let participants after completing the anger-management course be Population 2. Number of Times Temper Was Lost during a Two-Week Period Before 10 6 8 10 6 3 10 3 8 After 6 7 4 4 8 6 4 9 3 7 Copy Data Step 2 of 3:…
In a recent Super Bowl, a TV network predicted that 23 % 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 137 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=0.23Ha:p<0.23Calculate the test statistic, rounded to 3 decimal places z=
In a recent Super Bowl, a TV network predicted that 85 % 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 50 people who saw the commercials and found that 43 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=0.85Ha:p>0.85Calculate the test statistic, rounded to 3 decimal places z=
In a recent Super Bowl, a TV network predicted that 73 % 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 42 people who saw the commercials and found that 31 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=0.73Ha:p<0.73Calculate the test statistic, rounded to 3 decimal places z=
In a recent Super Bowl, a TV network predicted that 56 % 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 85 people who saw the commercials and found that 47 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: Ho:p = 0.56 Ha:p0.56 Calculate the test statistic, rounded to 3 decimal places 2 =
A local school board believes there is a 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 38 households respond yes. They survey a random sample of 45 households that do not have school-aged children, and 25 respond yes. Let p3= the true proportion of households with school-aged children that would support starting the school year a week early and pw= the true proportion of households without school-aged children that would support starting the school year a week earlier. The P-value for this significance test is 0.000034. Which of the following is the correct conclusion for this test of the hypotheses Ho: P;- Pw=0 and H, P,- Pw0 at the a =…

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