OKClaim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1182 adults, 87% said that they have a cell phone. Find the value of the test statistic.Statorunch+The value of the test statistic is(Round to two decimal places as needed.)Tech help36000R1EDсFVTGMacBook AirBYH&7NUJ- 00*8AMIK9HOcommandFIGPaltoption?Next}1

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Answered: Claim: Fewer than 95% of adults have a…

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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Claim: : P = 0.23; a 0.10; Sample Statistics : P = 0.17₁ n = 100 A.) Find the 2- test static. Select the Correct Choice below and, if necessary, fill in the answer box to Complete Your choice. 2 = ( Round to two decimal places as needed) 0 3.) What is the result of the test Reject or fail to reject? ?
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About 7% of the popular has a mutation. 100 people are randomly selected. What is the mean for the number of people with a mutation?
Determine whether the sampling is dependent or independent. Indicate whether the response variable is qualitative or quantitative.A psychologist wants to measure the effect of music on memory. He randomly selects 80 students and measures their scores on a memory test conducted in silence. The next day he measures their scores on a similar test conducted while classical music is playing. The mean score without music is compared to the mean score with music. Group of answer choices a.quantitative, dependent b.qualitative, independent c.qualitative, dependent d.quantitative, independent
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A teacher claims that over 9% of maths students are married. In the survey at the beginning of semester, 45 students answered the question about their marital status. 9 of them said they were married. Calculate the test statistic Z? Round answer to 2 decimals
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Please answer (e,f,g) only.Use Excel to calculate different statistical measures. You must include excel codes or steps of solving your assignment.
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n=1083 (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 33% of air passengers prefer an aisle seat. n=? (Round up to the nearest integer.)
Save Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n= 974 and x= 526 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.)

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Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1182 adults, 87% said that they have a cell phone. Find the value of the test statistic. The value of the test statistic is (Round to two decimal places as needed.)