Question: The average annual return for Tesla from 2014 to 2019 is 5%, with a standard deviation of 10%. What is a 95% confidence interval for

The average annual return for Tesla from 2014 to 2019 is 5%, with a standard deviation of 10%. What is a 95% confidence interval for 2020's returns?

A.

-12.5%, 17.5%

B.

-15%, 25%

C.

-25%, 25%

D.

-5%, 25%

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