A sales person estimates the probabilities given in the table for the number of weekly sales of a photocopying machine. Number of Sales Probability 2 .30 3 .21 4 .13 .13 .17 .06 (a) Find the value of the cumulative probability function F(xo) at xo = 3.
A sales person estimates the probabilities given in the table for the number of weekly sales of a photocopying machine. Number of Sales Probability 2 .30 3 .21 4 .13 .13 .17 .06 (a) Find the value of the cumulative probability function F(xo) at xo = 3.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:A sales person estimates the probabilities given in the table for the number
of weekly sales of a photocopying machine.
Number of Sales
Probability
4
.13
.13
.17
30
.21
.06
(a)
Find the value of the cumulative probability function F(xo) at xo = 3.
(b)
Find the mean of the number of weekly sales.
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