A farmer wants to know the mean weight of the apples on his orchard. He picks 72 apples which have an average weight of 168.8 ounces. Assume the population weights are normally distributed and the population standard deviation is 1.6 ounces. What is the 98% confidence interval for mean weight of the apples?
a.) Which distribution table will be used to find the critical value and why?
b.) With 98% confidence, we can say the true population mean weight of the apples is between and ounces.Use 1 decimal place.
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