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A random sample of size 16 taken from a normally distributed population revealed a sample mean...

A random sample of size 16 taken from a normally distributed population revealed a sample mean of 50 and a sample variance of 36. The upper limit of a 95% confidence interval for the population mean would equal:

a)57.81

b)53.20

c)69.90

d)75.31

Math   Statistics-And-Probability   
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