The 3 month demand for a spare car part has the following probability mass function: x 0 1 2 p(x) 0.25 0.5 0.25 a) What is the probability that there will be at most 1 unit of demand during the time period? b) What is the variance of the demand?
The 3 month demand for a spare car part has the following probability mass function: x 0 1 2 p(x) 0.25 0.5 0.25 a) What is the probability that there will be at most 1 unit of demand during the time period? b) What is the variance of the demand?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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The 3 month demand for a spare car part has the following
x | 0 | 1 | 2 |
p(x) | 0.25 | 0.5 | 0.25 |
a) What is the probability that there will be at most 1 unit of demand during the time period?
b) What is the variance of the demand?
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