Assume that the sample is a simple random sample obtained from a normally distributed population of fight delays at an a

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Assume That The Sample Is A Simple Random Sample Obtained From A Normally Distributed Population Of Fight Delays At An A 1 (33.54 KiB) Viewed 22 times

Assume that the sample is a simple random sample obtained from a normally distributed population of fight delays at an airport. Use the table below to find the minimum sample size needed to be 99% confident that the sample standard deviation is within 30% of the population standard deviation. A histogram of a sample of those arrival delays suggests that the distribution is skewed, not normal. How does the distribution affect the sample size? To be 95% confident that s is 1% 5% 10% 20% 30% 40% 50% n within of the value of e, the sample size 19.205 768 192 48 21 12 8 n should be at least To be 99% confident that s is 1% 5% 10% 20% 30% 40% 50% within of the value of e, the sample size 33,218 1,336 336 85 38 22 14 in should be at least The minimum sample size needed is Help me solve this View an example Get more help. 45 COP Media - #tv Clear all A Check answer