Tag | Value |
---|---|
file | Probability_uva-elementary-probability-951-en_uva-elementary-probability-951-en |
name | uva-elementary-probability-951-en |
section | Probability/Elementary Probability |
type | num |
solution | 0.025 |
tolerance | 0 |
Type | Calculation |
Language | English |
Level | Statistical Literacy |
IRT-Difficulty | 1.826 |
p-value | 0.8128 |
In a class there are 40 students. Each time, the teacher randomly chooses one student to answer one question and then the teacher puts the chosen name not back. There are a total of three questions. What is then the probability that Marja is chosen to answer the first question?
The correct answer is: 0.025