callieroberts1699
12.08.2021 •
Mathematics
Let represent the full height of a certain species of tree. Assume that has a normal probability distribution with mean and Std. deviation respectively 76.2 ft and 9.3 ft. You intend to measure a random sample of n 98 trees.
a. What is the mean of the distribution of sample means?
b. What is the standard deviation of the distribution of sample means?
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Ответ:
A
Step-by-step explanation: