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4.5 Statistical distributions (A-level only)

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Question 33

The time, T T\,T minutes, taken to commute to work is normally distributed with a standard deviation of 6.4 minutes. Given that P(T<45)=0.7P(T < 45) = 0.7P(T<45)=0.7.

Find the mean commute time.

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4.5 Statistical distributions (A-level only) Questions

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