Suppose X is a normal random variable with mean μ = 70 and standard deviation σ...

Question

Question

Suppose X is a normal random variable with mean μ = 70 and standard deviation σ = 7. Find b such that

P(70 ≤ X ≤ b) = 0.3.

HINT [See Example 3.] (Round your answer to one decimal place.)
b =

math Statistics-And-Probability

Answer 1

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Answer 2

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