What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate calculations. Enter your answer in numbers not in percentage. Round your answer to 4 decimal places.) Value of q 0 1 2 Probability 0.30 0.22 0.48 Standard deviation

Essentials of Business Analytics (MindTap Course List)
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ISBN:9781305627734
Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Chapter5: Probability: An Introduction To Modeling Uncertainty
Section: Chapter Questions
Problem 28P
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What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate
calculations. Enter your answer in numbers not in percentage. Round your answer to 4 decimal places.)
Value of q
0
1
2
Probability
0.30
0.22
0.48
Standard deviation
Transcribed Image Text:What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate calculations. Enter your answer in numbers not in percentage. Round your answer to 4 decimal places.) Value of q 0 1 2 Probability 0.30 0.22 0.48 Standard deviation
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