For a data set obtained from a sample, n = 20 and x. It is known that
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For a data set obtained from a sample, n = 20 and x̅. It is known that σ = 3.1. The population is normally distributed.
a. What is the point estimate of µ?
b. Make a 99% confidence interval for µ.
c. What is the margin of error of estimate for part b?
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n 20 x 245 31 and x n 3120 693181...View the full answer
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