Please see the image below Age 0 up to 60 Less than 30 60 or Older Total 75 175

Question

Please see the image below

Age 0 up to 60 Less than 30 60 or Older Total 75 175 Movies per Month 10 75 60 30 175 15 25 1or2 A 3,4,or5 A, 6or more A 100 100 500 The above contingency table has two events, the age of the movie goer and the number of movies watched per month. Using the data in the table answer the below question. (Remember to show how you calculated the answer) (a) What is the probability of selecting a person who say 1 or 2 movies? (3pts) (b) What is the probability of selecting a person that saw 5 or less movies? (4pts) (c) What is the probability of selecting an adult who saw 1 or 2 movies or was 30 up to 60? (4pts) (d) What is the probability of selecting an adult who is less than 30 years old and went to 6 or more movies? (4pts)

Explanation / Answer

Answer to the question is as follows:

a. P( selecting a person who say 1 or 2 movie) = (75+200)/500 = .55

b. P( selecting a person that saw 5 or less movies) = (75+200+175)/500 = .50

c. P(selecting an adult who saw 1 or 2 movie or was 30 upto 60) = ?

= (75+200+225+175-50-100-10-75)/500 = .88

d. P(selecting less than 30 years, and went to 6 or more movies) = 5/500 = .01

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