The tensile strength of a certain type of wire is normally distributed with a mean of 99.8 and a
Question: 4.1 The tensile strength of a certain type of wire is normally distributed with a mean of 99.8 and a standard deviation of 5.48. (a) What are the mean and standard deviation of the sampling distribution of the sample mean based on simple random samples of size 100? (b) You draw a single simple random sample of 16 values from this population. What is the probability that the mean of this sample will be between 98.8 and 100.9?
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