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Given that x is a normal variable with mean μ = 43 and standard deviation σ...

Given that x is a normal variable with mean μ = 43 and standard deviation σ = 6.9, find the following probabilities. (Round your answers to four decimal places.)

(a) P(x ≤ 60)

(b) P(x ≥ 50)

(c) P(50 ≤ x ≤ 60)

Solutions

Expert Solution

Here we have to use the Standard Normal Distribution and it's probabilities should be obtained from Normal Table.

The detailed procedure to answer the given questions is as given in the image below:-

This answers your question.

orchestra answered 2 years ago
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