SOLUTION: For Questions 11 ~ 13
An airline company completed an on-board passenger survey of 400 customers in an attempt to measure the number of bags checked by those traveling on busi
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-> SOLUTION: For Questions 11 ~ 13
An airline company completed an on-board passenger survey of 400 customers in an attempt to measure the number of bags checked by those traveling on busi
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Question 329555: For Questions 11 ~ 13
An airline company completed an on-board passenger survey of 400 customers in an attempt to measure the number of bags checked by those traveling on business or for pleasure. Results are shown in the table below:
Passenger 0 Checked 1 Checked 2 Checked 3 or more Total
Business
Pleasure 50
20 60
80 30
90 10
60 150
250
Total 70 140 120 70 400
11. What is the probability that a passenger who responded to the survey was a business customer? (Points 1)
a. 0.333 b. 0.375
c. 0.600 d. 1.000
12. What is the probability that a customer checked fewer than 2 bags? (Points 1)
a. 0.175. b. 0.525.
c. 0.825 d. 0.955
13. What is the probability that a customer was either traveling for pleasure or checked no bags? (Points 1)
a. 0.750 b. 0.625
c. 0.175 d. 0.800
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