Coffee with Meals A researcher wishes to determine the number of cups of coffee a customer drinks with an evening meal at a restaurant. 1 2 P(X) 0.20 0.32 0.43 0.02 0.03 Send data to Excel Part 1 of 3 Find the mean. Round the answer to two decimal places as needed. Mean: u= Part 2 of 3 Find the variance. Round the answer to two decimal places as needed. Variance: o Part: 2 /3

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Author:Amos Gilat
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Coffee with Meals A researcher wishes to determine the number of cups of coffee a customer drinks with an evening meal at a restaurant.
1 2 3 4
P(X)
0.20
0.32 0.43
0.02 0.03
Send data to Excel
Part 1 of 3
Find the mean. Round the answer to two decimal places as needed.
Mean: u=
%3D
Part 2 of 3
Find the variance. Round the answer to two decimal places as needed.
Variance: o =
Part: 2/3
Subm
Continue
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Transcribed Image Text:Coffee with Meals A researcher wishes to determine the number of cups of coffee a customer drinks with an evening meal at a restaurant. 1 2 3 4 P(X) 0.20 0.32 0.43 0.02 0.03 Send data to Excel Part 1 of 3 Find the mean. Round the answer to two decimal places as needed. Mean: u= %3D Part 2 of 3 Find the variance. Round the answer to two decimal places as needed. Variance: o = Part: 2/3 Subm Continue 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Cente MacBook Pro
Part 2 of 3
Find the variance. Round the answer to two decimal places as needed.
Variance: o
Part: 2/3
Part 3 of 3
Find the standard deviation. Round the answer to two decimal places as needed.
Standard deviation: o=
の
Transcribed Image Text:Part 2 of 3 Find the variance. Round the answer to two decimal places as needed. Variance: o Part: 2/3 Part 3 of 3 Find the standard deviation. Round the answer to two decimal places as needed. Standard deviation: o= の
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