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A public interest group hire students to solicit donations by telephone. After a briefing training period, students make calls to potential donors and are paid on a commission basis. Experience indicates that early on, these students tend to have only modest success and that 70% of them give up their jobs in their first two weeks of employment. The group hires six students, who can be viewed as a random sample.   Find the mean, variance and standard deviation. What is the probability that more than three of the six will give up in the first two weeks?

A public interest group hire students to solicit donations by telephone. After a briefing training period, students make calls to potential donors and are paid on a commission basis. Experience indicates that early on, these students tend to have only modest success and that 70% of them give up their jobs in their first two weeks of employment. The group hires six students, who can be viewed as a random sample.   Find the mean, variance and standard deviation. What is the probability that more than three of the six will give up in the first two weeks?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A public interest group hire students to solicit donations by telephone. After a briefing training period, students make calls to potential donors and are paid on a commission basis. Experience indicates that early on, these students tend to have only modest success and that 70% of them give up their jobs in their first two weeks of employment. The group hires six students, who can be viewed as a random sample.

 

  1. Find the mean, variance and standard deviation.
  2. What is the probability that more than three of the six will give up in the first two weeks?
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