Question
In a study of families with children with disabilities, group of 6 US households were randomly selected. In the table below, the random variable x
In a study of families with children with disabilities, group of 6 US households were
randomly selected. In the table below, the random variable x represents the number of
households among 6 that had a child with a disability living there.
| x | P(x) |
| 0 | 0.02 |
| 1 | 0.15 |
| 2 | 0.29 |
| 3 | 0.26 |
| 4 | 0.16 |
| 5 | 0.12 |
|
|
|
a. Is this a probability distribution?
b. What is the mean?
- c. What is the standard deviation?
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Numerical Analysis
Authors: Richard L. Burden, J. Douglas Faires
9th edition
538733519, 978-1133169338, 1133169333, 978-0538733519
