| Tag | Value |
|---|---|
| file | Probability_uva-expected-value-1067-en_uva-expected-value-1067-en |
| name | uva-expected-value-1067-en |
| section | Probability/Elementary Probability/Random variables/Expected value |
| type | schoice |
| solution | FALSE, FALSE, TRUE, FALSE |
| Type | Conceptual |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 1.283 |
| p-value | 0.8762 |
Waller’s family wants to have several children. A financial advisor explains that the probability distribution based on families with the same characteristics is as follows:Ê
—————– —— —— —— —— Number of children 0 1 2 3 Probability 0.05 0.60 0.30 0.05 —————– —— —— —— ——
Suppose X is the number of children Waller’s family could have. have. What is the expected value of X based on this table?