Find the minimum sample size needed to estimate the percentage of managers who have a cat. Use a 0.06margin of error, use a confidence level of 99.8%, and assume that no previous estimates of the percentageof managers who have a cat are available.PII035057666403O None of theseSubmit Question4RF%5TGQFS6HN&7U8MPrtScnKHome9End0F10

The confidence level is 99.8% The margin of error is The objective is to find the minimum sample…

Answered: Find the minimum sample size needed to…

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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Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How many grade-point averages must be obtained so that the sample mean is within 0.005 of the population mean? Assume that a 95% range 4-0 confidence level is desired. If using the range rule of thumb, o can be estimated as =1. Does the sample size seem practical? 4 4
Which calculator function should be used to construct a confidence interval estimate for a population proportion? O a. TInterval O b. ZInterval O c. 1-PropZInt
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Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p.When 316 third graders are randomly selected and surveyed, it is found that 112 own a cell phone. Find a 99% confidence interval for the true proportion of all third graders who own a cell phone.
Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How many grade-point averages must be obtained so that the sample mean is within 0.008 of the population mean? Assume that a 98% confidence level is desired. If using the range 4-0 =1. Does the sample size seem practical? range rule of thumb, o can be estimated as 4 The required sample size is (Round up to the nearest whole number as needed.) Does the sample size seem practical? O A. No, because the required sample size is a fairly large number. O B. No, because the required sample size is a fairly small number. OC. Yes, because the required sample size is a fairly small number. O D. Yes, because the required sample size is a fairly large number.
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Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence interval for a sample size of 201 with 85 percent success rate.
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The data below give the wait time in seconds for a random sample of callers when calling a local pizza restaurant. {66, 37, 4, 47, 12, 16, 62, 12, 21, 25, 49, 3} a. What is the point estimate for the average wait time for callers? b. Verify conditions for using this sample to predict population mean of wait times. Estimate the mean wait time for all callers to this restaurant, with 90% confidence. Write your answer as a sentence. C. d. Estimate the standard deviation of wait times for all callers to this restaurant, with 90% confidence. Write your answer as a sentence. (You do not need to check requirements.)

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Find the minimum sample size needed to estimate the percentage of managers who have a cat. Use a 0.06 margin of error, use a confidence level of 99.8%, and assume that no previous estimates of the percentage of managers who have a cat are available. O 35 0576 0664 03 O None of these Submit Question