Look at the relative-frequency table below of the probability distribution for the frequency with which customers buy items, with discrete random variable X = "number of items purchased by a customer." x P(X = x) 1 .02 2 .17 3 .29 4 .27 5 .15 6 .07 7 .03 What is the standard deviation? (options in image)
Look at the relative-frequency table below of the probability distribution for the frequency with which customers buy items, with discrete random variable X = "number of items purchased by a customer." x P(X = x) 1 .02 2 .17 3 .29 4 .27 5 .15 6 .07 7 .03 What is the standard deviation? (options in image)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.6: Permutations
Problem 3E
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Look at the relative-frequency table below of the probability distribution for the frequency with which customers buy items, with discrete random variable X = "number of items purchased by a customer."
x | P(X = x) |
---|---|
1 | .02 |
2 | .17 |
3 | .29 |
4 | .27 |
5 | .15 |
6 | .07 |
7 | .03 |
What is the standard deviation?
(options in image)
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