The probabilities that a customer buys 1, 2, 3, 5, 8 apples each day in a grocery store are 0.20, 0.32, 0.23, 0.18, 0.07 respectively. Let B be the number of apples a customer buys in a day. What is the standard deviation?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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The probabilities that a customer buys 1, 2, 3, 5, 8 apples each day in a grocery store are 0.20, 0.32, 0.23, 0.18, 0.07 respectively.
Let B be the number of apples a customer buys in a day.
What is the standard deviation?
Transcribed Image Text:The probabilities that a customer buys 1, 2, 3, 5, 8 apples each day in a grocery store are 0.20, 0.32, 0.23, 0.18, 0.07 respectively. Let B be the number of apples a customer buys in a day. What is the standard deviation?
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