You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 42%. You would like to be 90% confident that your estimate is within 1.5% of the true population proportion. How large of a sample size is re

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Obtain the sample size. The formula of sample size is, Obtain the critical value of z at the 90%…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Given  Margin of error=E=2.5%=0.025 80% confidence level then alpha=0.20 ,Zc=1.28 The no estimate of…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Test statistic is the measure used to determine there exist significance between the sample and…

Q: ou want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Given Information: Population proportion p=0.6 Confidence level = 95% = 0.95 Significance level…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Here we need to find the required sample size. Given margin of error is 3%.

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A:

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: The given information is as follows: Denote the population proportion as p. Given that the…

Q: nt to obtain a sample to estimate a population proportion. Based on previous evidence, you believe…

A: At a 97% confidence level, the z value is 2.17 which can be obtained by using the standard normal…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Find z-critical value: Refer Standard normal table/Z-table OR use excel function…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Find z-critical value:…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

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Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Claim : the percentage of commercial truck drivers who suffer from sleep apnea is not 4.1%

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: It is given that margin of error (E) is 0.045 and the confidence level is 0.90.

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: We have given that,  Population proportion (p) = 58% = 0.58, margin of error (E) = 4% = 0.04 and…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Step-by-step procedure to obtain the value of z using MINITAB:Choose Graph > Probability…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

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Q: s the newly hired manager of a company that provides cell phone service, you want to determine the…

A: It is given that margin of error (E) is 0.92 and the confidence level is 0.90.

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A:

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: We have to find test statastics.

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Obtain the sample size of a preliminary estimate for p is 0.77. The formula of sample size is, Use…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Given: Population proportion (p) = 0.26 Confidence level = 95% Margin of error (E) = 2.5% = 0.025…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: The population proportion is 76%; p=0.76 Margin of error is 2.5%; Margin of error=0.025…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: Givenx=19n=308p^=19308=0.0617α=0.05

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A:

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A:

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: From provided information; Margin of error M.E = 0.01 Confidence level= 99% Considering population…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Given,margin of error(E)=0.025sample proportion(p^)=0.34α=1-0.98=0.02α2=0.01Z0.01=2.3263  (from…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Given Information Error = 2% = 0.02 Confidence level = 0.90

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: From the provided information, Confidence level = 97% Margin of error (E) = 3% that is 0.03…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Given,sample proportion(P^)=0.75margin of error(E)=0.025α=1-0.97=0.03α2=0.015Z0.015=2.1701  (from…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: n = Zα/2E2p(1-p)-------------Formula

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: Computers In order to better plan for student resources, the chairperson of the mathematics…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: Given that, Critical value: Using the z-table, the critical value at 95% confidence level is ,

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: According to the given information it is required to compute the sample size required, when given…

Q: John Davis, a manager of a supermarket, wants to estimate the proportion of customers who use food…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

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Q: One researcher wants to estimate the proportion of MU students who are vegetarian, 6 answered "yes".…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: From the provided information, Population proportion (p) = 23% that is 0.23 Margin of error (E) = 3%…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Given, Margin error (E) = 0.01 Assume sample proportion = 0.5   The objective is to find the sample…

Q: population proportion is approximately p = 0.63. You would like to be 98% confident that your…

A: From provided information; p=0.63 Margin of error (M.E) = 1.5% i.e. 0.015 Confidence level is 98%,…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: The confidence level is 90% Therefore, α = 0.10 and α/2=0.05. The margin of error is 0.02 The…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.