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An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ...

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Statistics

An article suggested that yield strength (ksi) for A36 gradesteel is normally distributed with μ = 44 and σ =5.0.

(a) What is the probability that yield strength is at most 40?Greater than 64? (Round your answers to four decimal places.)

at most 40    
greater than 64


(b) What yield strength value separates the strongest 75% from theothers? (Round your answer to three decimal places.)
____________ ksi

Answer & Explanation Solved by verified expert
3.6 Ratings (349 Votes)
a 44 5 P X 40 P    See Answer
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