In a class of 40, 25 play cricket, 20 play football and 10 play both. A football player is picked at random. What is the probability that they also play cricket?

\frac{1}{4}

Correct answerYour answer

\frac{3}{8}

Correct answerYour answer

\frac{2}{5}

Correct answerYour answer

\frac{1}{2}

Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer D

Correct answer: D

Worth noting

$\frac{2}{5} = \frac{10}{25}$ is the chance that a cricketer plays football, the condition the other way round.

Ten questions from Conditional Probability & Bayes' Theorem, at your own pace.

Ten questions from Conditional Probability & Bayes' Theorem, at your own pace.

Explanation