1. Math
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  3. problem 2 salaries for new assistant professors at state college...

Question: problem 2 salaries for new assistant professors at state college...

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Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers Expand All c. d3%) Find the probablity that ㄺ individual teacher earns more than $65,000. X> 65000) d. (3) Fied the probablity that the average salary for the sample is more than $65,000. PLX > 65000) e. 3%) Find the 90th percentle for the average teachers salary for samples of 20 teachers If PR < a) = 09 then
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