| Tag | Value |
|---|---|
| file | Probability_uva-elementary-probability-1197-en_uva-elementary-probability-1197-en |
| name | uva-elementary-probability-1197-en |
| section | Probability/Elementary Probability |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | Conceptual |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 2 |
| p-value | 0.5905 |
The distribution of the number of children per U.S. family has a mean of 0.9 with a standard deviation of 1.1. You randomly do a sample from 20 families in the USA. What is the probability that the mean of the number of children per family in the sample is less than or equal to 1.5 is?