Assume that all grade-point averages are to be standardized on a scale between 0 and 5. How many grade-point averages must be obtained so that the sample mean is within 0.005 of the population5-0= 1.25. Does the sample size seem practical?mean? Assume that a 95% confidence level is desired. If using the range rule of thumb, o can be estimated as4The required sample size is(Round up to the nearest whole number as needed.)Does the sample size seem practical?A. Yes, because the required sample size is a fairly large number.B. No, because the required sample size is a fairly large number.C. Yes, because the required sample size is a fairly small number.D. No, because the required sample size is a fairly small number.range4=

Given that Margin of error =E =0.005 Population standard deviation =1.25

Answered: e that all grade-point averages are 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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use the given data to find the minimum sample size required to estimate a population proportion or percentage. margin of error = 8% confidence level = 95% from a prior study, p-cap is estimated by the decimal equivalent of 50% n =?
The estimate of the population proportion should be within plus or minus .05, with a 95% level of confidence. The best estimate of the population proportion is 15. How large a sample is required? (Use z Distribution Table) ( Round z-value to 2 decimal places and round up your answer to the next whole number) What is the sample size?
The high price of medicines is a source of major expense for those seniors in the United States who have to pay for these medicines themselves. A random sample of 1600 seniors who pay for their medicines showed that they spent an average of $4300 last year on medicines with a standard deviation of $500. Make a 90% confidence interval for the corresponding population mean. Round your answers to cents. i to $ i %24
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Assume that all grade-point averages are to be standardized on a scale between 0 and 5. How many grade-point averages must be obtained so that the sample mean is within 0.015 of the population mean? Assume that a 98% confidence level is desired. If using the range rule of thumb, σ can be estimated as range/4=5−0/4=1.25. Does the sample size seem practical? The required sample size is ____ (Round up to the nearest whole number as needed.) Does the sample size seem practical? A. Yes, because the required sample size is a fairly large number. B. No, because the required sample size is a fairly small number. C. Yes, because the required sample size is a fairly small number. D. No, because the required sample size is a fairly large number.
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Assume that all grade-point averages are to be standardized on a scale between 0 and 6. How many grade-point averages must be obtained so that the sample mean is within 0.005 of the populationmean? Assume that a 99% confidence level is desired. If using the range rule of thumb, σ can be estimated as range4=6−04=1.5. Does the sample size seem practical?

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