Find the standard deviation of X. O 0.86 O 0.92 O 0.98 O 0.79
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 10E
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The random variable X, representing the number of errors per 100 lines of software code, has the following probability distribution:
|
x |
2 |
3 |
4 |
5 |
6 |
|
f(x) |
0.01 |
0.25 |
0.4 |
0.3 |
|
Find the standard deviation of X.
Transcribed Image Text:The random variable X, representing the
number of errors per 100 lines of
software code, has the following
probability distribution:
X
2
3
4 5 6
f(x)
0.01
0.25 0.4
0.3
Find the standard deviation of
Х.
O 0.86
O 0.92
O 0.98
O 0.79
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