Salaries for teachers in a particular elementary school district are normally distributed with a mean of $41,000 and a standard deviation of $6,200. We randomly survey 10 teachers from that district.Give the distribution of mean of the x scores.Give the distribution of ΣX.Find the probability that the teachers earn a total of over $400,000

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Salaries for teachers in a particular elementary school district are normally distributed with a mean of $41,000 and a standard deviation of $6,200. We randomly survey 10 teachers from that district.Give the distribution of mean of the x scores.Give the distribution of ΣX.Find the probability that the teachers earn a total of over $400,000

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