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Suppose that for a particular computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. x p(x) 1 2 (b) Find the variance of x. 3 4 0.03 0.08 (a) Find the mean value of x (the mean number of systems sold). 5 6 How would you interpret these values? The variance of x is the -Select-- number of systems sold in a month. 7 0.14 0.30 0.30 0.13 0.01 0.01 8 Find the standard deviation of x. (Round your answer to four decimal places.) ✓of the number of systems sold in a month from the mean number of systems sold in a month. The standard deviation of x is the ---Select--- (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean? ✓of the number of systems sold in a month from the mean

Suppose that for a particular computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. x p(x) 1 2 (b) Find the variance of x. 3 4 0.03 0.08 (a) Find the mean value of x (the mean number of systems sold). 5 6 How would you interpret these values? The variance of x is the -Select-- number of systems sold in a month. 7 0.14 0.30 0.30 0.13 0.01 0.01 8 Find the standard deviation of x. (Round your answer to four decimal places.) ✓of the number of systems sold in a month from the mean number of systems sold in a month. The standard deviation of x is the ---Select--- (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean? ✓of the number of systems sold in a month from the mean

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Suppose that for a particular computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. X 1 2 0.03 0.08 (b) Find the variance of x. 3 4 p(x) (a) Find the mean value of x (the mean number of systems sold). 5 6 How would you interpret these values? The variance of x is the ---Select--- number of systems sold in a month. 7 8 0.14 0.30 0.30 0.13 0.01 0.01 Find the standard deviation of x. (Round your answer to four decimal places.) of the number of systems sold in a month from the mean number of systems sold in a month. The standard deviation of x is the --Select--- (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean? V of the number of systems sold in a month from the mean
Transcribed Image Text:Suppose that for a particular computer salesperson, the probability distribution of x = the number of systems sold in 1 month is given by the following table. X 1 2 0.03 0.08 (b) Find the variance of x. 3 4 p(x) (a) Find the mean value of x (the mean number of systems sold). 5 6 How would you interpret these values? The variance of x is the ---Select--- number of systems sold in a month. 7 8 0.14 0.30 0.30 0.13 0.01 0.01 Find the standard deviation of x. (Round your answer to four decimal places.) of the number of systems sold in a month from the mean number of systems sold in a month. The standard deviation of x is the --Select--- (c) What is the probability that the number of systems sold is within 1 standard deviation of its mean value? (d) What is the probability that the number of systems sold is more than 2 standard deviations from the mean? V of the number of systems sold in a month from the mean
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