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
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 |
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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.
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Geometry, Structure And Randomness In Combinatorics
Authors: Ji?í Matousek, Jaroslav Nešet?il, Marco Pellegrini
1st Edition
887642525X, 9788876425257
