Tag | Value |
---|---|
file | Probability_uva-expected-value-739-en_uva-expected-value-739-en |
name | uva-expected-value-739-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 | 2.205 |
p-value | 0.5023 |
The Belgian state lottery operates at the end of each year with lottery tickets on which six-digit numbers are listed. So one can choose a number that lies between 000000 and 999999. The winning lottery ticket earns the winner €; 750,000. The probability of drawing a winning lottery ticket, when purchasing one lottery ticket, is 0.000001. The probability distribution for X (= the amount of money one received) is as follows:
———– ———- ———– Price X €0 €750,000 Chance 0.999999 0.000001 ———– ———- ———–
A lottery ticket costs €;2.50 this year. How many euros does the Belgian State in the long run per lottery ticket? Choose from the options below.