4.5 Statistical distributions (A-level only)

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Question 29

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

[4]

4.5 Statistical distributions (A-level only)

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Question 29

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

[4]

4.5 Statistical distributions (A-level only)

Question 29

4.5 Statistical distributions (A-level only) Questions

4.5 Statistical distributions (A-level only)

Question 29

4.5 Statistical distributions (A-level only) Questions