Mathematics, 05.12.2020 01:00 lily3934
In a certain country, retirement age is known to follow a left-skewed distribution with a mean value of 56.91 years and a standard deviation of 3.71 years. Suppose we take a random sample of 17 members of this country, and calculate their average age at retirement. What is the probably that this sample has an average value of at most 56.82 years?
Select one:
a. 0.0381
b. 0.4300
c. 0.3336
d. We cannot answer this question with the information given.
e. 0.6664
Answers: 1
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