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Worksheets

Probabilities from Contingency Tables

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

Find P(Invisibility and Summer).

a)

0.068

b)

0.231

c)

0.333

d)

0.077

2.

Find P(not Telepathy)

a)

0.705

b)

0.295

c)

0.395

d)

0.077

3.

Find P(Fly or Spring)

a)

0.227

b)

0.114

c)

0.159

d)

0.018

4.

Find P(Freeze Time | Winter)

a)

0.385

b)

0.417

c)

0.114

d)

0.081

5.

Find P(Fall | Invisibility)

a)

0.444

b)

0.364

c)

0.0.818

d)

0.045

6.

Find P(Summer and Male)

a)

0.156

b)

0.122

c)

0.578

d)

0.556

7.

Find P(Spring or Female)

a)

0.667

b)

0.156

c)

0.578

d)

0.090

8.

Find P(Winter | Male)

a)

0.316

b)

0.429

c)

0.135

d)

0.133

9.

Find P(Female | Summer)

a)

0.462

b)

0.231

c)

0.133

d)

0.733

10.

Find P(Female | not Fall)

a)

0.5

b)

0.231

c)

0.133

d)

0.733