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Computing the mean and standard deviation

Question: The annual sales of playground equipment follow the normal distribution. However, the mean and standard deviation are unknown. 40% of the time sales are more than 470,000 and 10% of the time sales are more than 500,000.

Calculate the mean and standard deviation.

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Basic Statistics: Computing the mean and standard deviation

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Computing the mean and standard deviation

Reference No:- TGS0687310

Have a Question? (oR Write a Review)

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: Computing the mean and standard deviation

Reference No:- TGS0687310

Recent Questions Asked Basic Statistics

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