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Salaries for teachers in a particular elementary school district are normally distributed with a mean of $49,000 and a standard deviation of $4,500. We randomly survey ten teachers from that district. (Round your answers to the nearest dollar.)
(a) Find the 90th percentile for an individual teacher's salary.
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(b) Find the 90th percentile for the average teacher's salary.

Sagot :

irishgrandpa

Answer:

they get a lot of moohlah

Step-by-step explanation:

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