theonlyphat9428 theonlyphat9428

23-05-2023
Mathematics

contestada

given a random sample of size 9 drawn from a normal distribution with unknown mean and known variance of 16. you calculate the sample mean to be 6. a. construct the lower 95% Cl for the population mean
b. does the claim that the population mean is less than -5 seem to be reasonable
c. construct the upper 98% Cl for the population mean

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