Numbers (15-17). Determine the mean of the probability distribution. X 3 5 P(X) 0.07 0.150 7 0.415 9 0.210 11 0.155
Numbers (15-17). Determine the mean of the probability distribution. X 3 5 P(X) 0.07 0.150 7 0.415 9 0.210 11 0.155
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 14E
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Instruction: Show your complete solution. All final answers must be in the simplest form and correct unit of measurement whenever needed. Always box your final answer.
Transcribed Image Text:Mean, Variance and Standard Deviation of Discrete Random Variable
Numbers (15-17). Determine the mean of the probability distribution.
X
3
5
P(X)
0.07
0.150
Numbers (18-20) Determine the mean of the probability distribution.
X
11
6
9
4
P(X)
0.12
0.23
0.15
0.05
a. Variance
b. Standard Deviation
7
0.415
1
0.03
5
2
0.20
Numbers (21-25). Determine the VARIANCE AND STANDARD DEVIATION OF THE PROBABILITY DISTRIBUTION.
X
0
4
P(X)
0.25
0.14
9
0.210
3
0.30
2
0.32
11
0.155
8
0.13
5
0.08
Numbers (26-30). Determine the VARIANCE AND STANDARD DEVIATION OF THE PROBABILITY DISTRIBUTION.
X
10
7
8
9
Transcribed Image Text:P(X)
0.11
a. Variance, )
b. Standard Deviation
0.22
0.33
0.25
0.09
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