MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Determine the minimum sample size required when you want to be
normally distributed.
95% confident that the sample mean is within one unit of the population mean and σ=17.9.
Assume the population is A 95% confidence level requires a sample size of =
(Round up to the nearest whole number as needed.)
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- Determine the minimum sample size required when you want to be 90% confident that the sample mean is within one unit of the population mean and sigmaσequals=17.4. Assume the population is normally distributed. A 90 % confidence level requires a sample size of (Round up to the nearest whole number as needed.)arrow_forwardTina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.arrow_forwardAssume that a sample is used to estimate a population mean μμ. Find the 95% confidence interval for a sample of size 63 with a mean of 49.8 and a standard deviation of 5.5. Enter your answer as an open-interval (i.e., parentheses) accurate to 3 decimal places.arrow_forward
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