| Tag | Value |
|---|---|
| file | Descriptive-statistics_uva-standard-deviation-154-en_uva-standard-deviation-154-en |
| name | uva-standard-deviation-154-en |
| section | Descriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation |
| type | schoice |
| solution | TRUE, FALSE, FALSE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 3.717 |
| p-value | 0.1697 |
An impure coin with which the probability of cross above equals 0.8 will be tossed be tossed 100 times. The standard deviation of the number of times cross up is then equal to