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STAZ2023-TR 12:30-145 0585) Spg 2019 (2192 Quiz Chapters 5.6 | 7of10 = Time Remaining 54:21 340000 According to a recent survey, the salaries of assistant professors have a mean of $40,756 and a standard devlation of $7500. Assuming that the salaries f assistant professors follow a normal distribution, find the propéition of assistant professors who ean more than $42,000. Round your answer to at least four decimal places. Subemt Ang worked Exsmple
math   Statistics-And-Probability   
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Answer #1

ANS))

μ = 40756
σ = 7500
P(x > 42000) = P( z > (42000-40756) / 7500)
= P(z > 0.1658) = 0.5635
The proportion is 0.5635

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