119%probability that ahe gets kicked off during the second episode?(d) You are taking a multiple choice test for which you haye mastered 70% of the material. Assumethis means that you have a 0.7 chance of knowing the answer to a random test question, and that ifyou don't know the answer to a question then you randomly select among the four answer choicesFinally, aseumo that this holds for each question, indopendent of the others.A Enport PDFEEdi PDF2 Create POFOCommentCombine FilesOrgane PagesDelete mrt ect andPotate pages(1). What is your expected score (as a percent) on the exam?Try now(ii). If the test has 10 questions, what is the probability you score 90% or higher?Convert, edit andegn PDFms&agremmts(iv). Suppose you need a 00% to keep your scholarship. Would you rather have a test with 10 orT1 AME P lype here to search20

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Answered: (d) You are taking a multiple choice…

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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Try Again (d): Your answer is incorrect. According to past studies, 33% of gamers experience motion sickness from using virtual reality (VR) glasses. Because of changes to the way VR glasses are manufactured, a consumer advocate claims the proportion, p, of gamers who will experience motion sickness from using modern VR glasses is more than 33%. He tests his claim by choosing 180 gamers at random and having each of them use a pair of newly-manufactured VR glasses. Of these gamers, 68 say that using the glasses makes them motion sick. Complete the parts below to perform a hypothesis test to see if there is enough evidence, at the 0.05 level of significance, to conclude that the proportion, p, of all gamers who will experience motion sickness from using modern VR glasses is greater than 33%. (a) State the null hypothesis H and the alternative hypothesis H, that you would use for the test. Ho: p = 0.33 H: p > 0.33 OSO D=0 (b) For your hypothesis test, you will use a Z-test. Find the…
The government of a certain country says that the literacy rate (the proportion of people who are literate) in the country is 73%. A nongovernmental organization believes that the rate is lower than that. To test their belief at the 1% significance level, the organization studies a random sample of 420 people and finds that 283 of them are literate. Ho: p=0.73 Ha: P< 0.73 Find the P-value. Round your answer to 3 decimal places.
A retailer is looking to evaluate its customer service. Management has determined that if the retailer wants to stay competitive, then it will have to have at least an 85% satisfaction rate among its customers. Management will take corrective actions if the satisfaction rate falls below 85%. To test is the rate is below 85%, a survey was conducted of 700 customers and 584 of them were satisfied with their customer service. (a) What is the p-value for the test? (Round to three decimal places.) (b) At the 10% significance level, should the management take corrective action? Explain briefly.
Suppose you take a sample of 25 Reese's pieces. The proportion of orange is 0.4. What is the p-value when testing the hypothesis that the actual proportion of orange for all Reese's pieces is 0.5? Round to two places.
What is the p value for the following scenario: Out of 300 male inpatients, there are 195 that have a MCC and out of 450 female inpatients 205 have a MCC.
You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 110 men, and 75% own cats.You sample 150 women, and 65% own cats.Find the proportion of the pooled samples, (pcpc), as a decimal, rounded to two decimal places.
You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 190 men, and 71 own cats.You sample 130 women, and 114 own cats.Find the test statistic, rounded to two decimal places
A food company is planning to market a new kind of cereal; however before, they want to find the % of people who will like it. They select a random sample of 500 people and ask them to try the cereal. Of 500, 290 people say they like it. Compute the 95% cofidence interval for the % of the pop. that will like the cereal. Interept this cofidence interval.
The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35 and the sample statistics include n =1600 subjects with 576 saying that they smoked cigarette in the past week .Find the value of the test statistics ?
A study found that 13% of Americans have seen or sensed the presence of an angel. A contingent doubts that the percent is really that high. It conducts its own survey. Out of 76 Americans surveyed, only two had seen or sensed the presence of an angel. As a result of the contingent's survey, would you agree with the study? What is the p-value?
You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 110 men, and 90% own cats.You sample 90 women, and 20% own cats.Find the proportion of the pooled samples, (pcpc), as a decimal, rounded to two decimal places.
You have a big exam tomorrow. You were planning to study tonight, but your friend has ticketsto a concert and has invited you to join her. Youwould be willing to accept a B on the exam inorder to go to the concert. You estimate that if youdon’t study you have a 35 percent chance of scoring a 90, a 35 percent chance of scoring an 80 (thescore required to earn a B), a 25 percent chance ofearning a 75, and a 5 percent chance of earning a60. Will you go to the concert? Explain why or whynot.

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