Question: 4. a) For a population the true mean, , is 50 and the standard deviation, s, is 10. What is the probability that a single

4. a) For a population the true mean, , is 50 and the standard deviation, s, is 10. What is the probability that a single individual sampled at random from this population will have a measurement between 40 and 60? This is the answer: 68% b) For the population in part a) what is the probability that a sample of 4 individuals will have a mean between 40 and 60? This is the answer: 95%

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