# Question

If freeway speeds are normally distributed with a mean of μ = 70 mph and σ = 7 mph, find the probability that the speed of a randomly chosen vehicle

(a) Exceeds 78 mph;

(b) Is between 65 and 75 mph;

(c) Is less than 70 mph.

(a) Exceeds 78 mph;

(b) Is between 65 and 75 mph;

(c) Is less than 70 mph.

## Answer to relevant Questions

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