What is the approximate probability that a person will be between the ages of 26 -30 given they prefer evening movies?

Question

1. A group of people were asked “What time do you prefer to see a movie? The two way table below represents the results by their age.

 

	16-20	21-25	26-30	Over 30	Totals
Morning	4	2	12	25	43
Afternoon	8	12	18	32	70
Evening	28	34	28	11	101
Late Night	34	18	21	4	77
Totals	74	66	79	72	291

 

What is the approximate probability that a person will be between the ages of 26 -30 given they prefer evening movies?

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Answer 1

P(meet criteria) / P(total)

28/291=0.09622=9.622%