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4.2.2 Statistical distributions (A-level only)

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Question 13

The masses of metal components, M M\,M grams, are normally distributed with a standard deviation of 3.2. Given that P(M<12)=0.42P(M < 12) = 0.42P(M<12)=0.42, calculate the mean mass of the components.

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4.2.2 Statistical distributions (A-level only) Questions

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