What is the probability examination

Reference no: EM13963723

The scores, X, of an examination may be assumed to be normally distributed with μ = 70 and σ2 = 49. What is the probability that:

(a) A score chosen at random will be between 80 and 85?

(b) A score will be greater than 75?

(d) Interpret the meaning of (a), (b), and (c).

Reference no: EM13963723

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