Fifteen items or less: The number of customers in line at a supermarket express checkout counter is a random variable with the following probability distribution. x 0 1 2 3 4 5 Px 0.05 0.25 0.30 0.25 0.10 0.05 a.Find P3 b. Find P(no less than 4) c. Find the probability that no one is in line

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
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Fifteen items or less: The number of customers in line at a supermarket express checkout counter is a random variable with the following probability distribution.

x
0
1
2
3
4
5
Px
0.05
0.25
0.30
0.25
0.10
0.05

a.Find P3

b. Find P(no less than 4)

c. Find the probability that no one is in line

 

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