13. Employees at a construction and mining company claim that the mean salary of the company for mechanical engineers is less than that one of its competitors at $ 90,000. A random sample of 25 for the company's mechanical engineers has a mean salary of $85,000. Assume the population standard deviation is $ 6500 and the population is normally distributed. Find HO and H1. Solve
13. Employees at a construction and mining company claim that the mean salary of the company for mechanical engineers is less than that one of its competitors at $ 90,000. A random sample of 25 for the company's mechanical engineers has a mean salary of $85,000. Assume the population standard deviation is $ 6500 and the population is normally distributed. Find HO and H1. Solve
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section: Chapter Questions
Problem 4CR
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