# Testing students

Giving a test to a group of students, the grades and gender are summarized below.

Grades and Gender

If one student is chosen at random,

a) Find the probability that the student got a B.

b) Find the probability that the student was female AND got a "C":

c) Find the probability that the student was female OR got a "B":

d) If one student is chosen at random, find the probability that the student got a 'B' GIVEN they are male

Grades and Gender

A | B | C | Total | |
---|---|---|---|---|

Male | 20 | 6 | 19 | 45 |

Female | 17 | 18 | 13 | 48 |

Total | 37 | 24 | 32 | 93 |

If one student is chosen at random,

a) Find the probability that the student got a B.

b) Find the probability that the student was female AND got a "C":

c) Find the probability that the student was female OR got a "B":

d) If one student is chosen at random, find the probability that the student got a 'B' GIVEN they are male

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