You draw a random sample of size n=64 from a population with mean 50 and standard...

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You draw a random sample of size n=64 from a population with mean 50 and standard...

You draw a random sample of size n=64 from a population with mean 50 and standard deviation 16. From this, if you compute the sample mean: a. What are the mean and standard deviation of ҧ ?? b. Approximately what is the probability that the sample mean is above 54?

math Statistics-And-Probability

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