Compute the mean and standard deviation of the random variable with the given discrete probability distribution. x Px −6 0.25 1 0.24 3 0.16 7 0.07 9 0.28 Send data to Excel Part 1 of 2 (a) Find the mean. Round the answer to three decimal places, if necessary. The mean is . Part 2 of 2 (b) Find the standard deviation. Round the answer to three decimal places, if necessary. The standard deviation is .
Compute the mean and standard deviation of the random variable with the given discrete probability distribution. x Px −6 0.25 1 0.24 3 0.16 7 0.07 9 0.28 Send data to Excel Part 1 of 2 (a) Find the mean. Round the answer to three decimal places, if necessary. The mean is . Part 2 of 2 (b) Find the standard deviation. Round the answer to three decimal places, if necessary. The standard deviation is .
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
Related questions
Question
Compute the mean and standard deviation of the random variable with the given discrete probability distribution.
|
x
|
Px
|
|
−6
|
0.25
|
|
1
|
0.24
|
|
3
|
0.16
|
|
7
|
0.07
|
|
9
|
0.28
|
Send data to Excel
Part 1 of 2
(a) Find the mean. Round the answer to three decimal places, if necessary.
|
The mean is
|
|
Part 2 of 2
(b) Find the standard deviation. Round the answer to three decimal places, if necessary.
|
The standard deviation is
|
|
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