The population proportion is 0.40.What is the probability that a sampleproportion will be within ±0.06 of thepopulation proportion for each of thefollowing sample sizes? Round youranswers to 4 decimal places. Use z-table.a. n = 100b. n = 200c. n = 500d. n = 1000e. What is the advantage of a largersample size?With a larger sample, there is a- Select your answer - probability Pwill be within ±0.06 of the populationproportion p.

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Answered: The population proportion is 0.40. What…

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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Do men take less time than women to get out of bed in the morning? The 42 men observed averaged 7.6 minutes to get out of bed after the alarm rang. Their standard deviation was 2.2. The 52 women observed averaged 9 minutes and their standard deviation was 2.1 minutes. What can be concluded at the a = :0.01 %3D level of significance?
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You are conducting a study to see if the proportion of voters who prefer the Democratic candidate is significantly larger than 72% at a level of significance of a = 0.10. According to your sample, 41 out of 56 potential voters prefer the Democratic candidate.
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Directions: Read and answer the following questions independently. Show your solution if necessary. 2. If the mean of the sampling distribution is 24.29, what is the mean of the population?
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A publisher reports that 61 % of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 320 found that 55 % of the readers owned a particular make of car. Determine the P-value of the test statistic. Round your answer to four decimal places. Answer How to enter your answer (opens in new window) Tables Keypad Keyboard Shortcuts
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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.)
n, where k is the percentile and n is the sample size. Given a sorted sample of 234 IQ scores, what is the value of the 40th percentile? 100 When finding the value of a percentile, the location of that value is L = Choose the correct answer below. O A. The 93rd IQ score in the sorted list O B. The 40th IQ score in the sorted list. O C. The 94th IQ score in the sorted list O D. The IQ score midway between the 40th and 41st scores in the sorted list.
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Saved Help Save There are four radio stations in Midland, The stations have different formats (hard rock, classical, country and western, and easy listening), but each is concerned with the number of minutes of music played per hour. From a sample of 10 hours from each station, the following sample means were offered: X = 52.77 X = 50.56 a. Determine SST. (Round the final answer to 3 decimal places.) X; = 45.76 X = 48.58 ss total - 647.000 84 SST = b. Determine SSE. (Round the final answer to 3 decimal places.) SSE c. Complete an ANOVA table. (Round the Ss, MS, and Fvalues to 3 decimal places.) ANOVA Source of DF Variation Treat Error Total The following hypotheses are given. Ho: H1=42 - H3 - 4 H: The means are not all equal. d. State the decision rule for 0.05 significance level. (Round the final answer to 2 decimal places.) Reiect Ho if F>

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The population proportion is 0.40. What is the probability that a sample proportion will be within ±0.06 of the population proportion for each of the following sample sizes? Round your answers to 4 decimal places. Use z- table. a. n = 100