Question

can someone please answe these 2 as soon as possible

Answer 1

Given :  Two way table

To find : Probability

Solution:

Males = 42

Study Biology  = 34

Males study Biology =  14

Male or Study Biology or Both    =  Males + Biology  - ( both)

= 42 +34 - 14

= 62

62 people are Male or Study Biology or Both

Probability  = 62/90      =  31/45

Females = 43

Study French = 28

Female who Study french = 16

Female or Study French or Both    =  Females + French  - ( both)

= 43 +28 - 16

= 55

Probability = 55/80  = 11/16

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