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I am not sure how to solve the following problem. Please help. thank you. For a hypothetical normal distribution of test scores, approximately 95% fall

I am not sure how to solve the following problem. Please help. thank you.

For a hypothetical normal distribution of test scores, approximately 95% fall between 38 and 62, 2.5% are below 38, and 2.5% are above 62. Given this information, (a) what is the mode

(b) what is the standard deviation .

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