Probability Conditional Venn Diagrams Two Way Tables

What proportion of senior boys play football or wrestle?

• 9/143

• 12/143

• 18/143

• 39/143

How many senior boys play football but do not wrestle?

• 9

• 12

• 18

• 104

What is P(Foreign language | Sport)? (Remember to reduce the fraction!)

• 14/27

• 7/12

• 23/47

• 37/47

What is P(A or B | C)?

• 5/8

• 5/16

• 4/5

• 11/16

Calculate P(B∪F)

• 12/31

• 25/31

• 6/31

• 21/31

Given that the grade is a B, what is the probability of the student being male?

• 6/15

• 9/15

• 6/56

• 9/44

What is P(not B | not A)?

• 2/9

• 1/2

• 13/18

• 9/13

What is P(not B | A or C)?

• 3/7

• 4/9

• 13/21

• 8/21

What is the probability that the person picked will be a boy given they speak german? 

• .7273

• .4

• .16

• .22

What is the probability that they speak French given that they are a girl? 

• 2.14

• 24

• 4

• 8571