The average elementary teacher's salary in RecoletSchools is P21,200. Assume a normaldistribution with standard deviation of P2,500.What is the probability that the mean for asample of 36 teachers' salaries is lesser thanP20,000? Show the complete solution.

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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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The average elementary teacher's salary in Recolet Schools is P21,200. Assume a normal distribution with standard deviation of P2,500. What is the probability that the mean for a sample of 36 teachers' salaries is lesser than P20,000? Show the complete solution.