Description of mcq-probability

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One flight daily to a certain destination. The following information shows the probability distribution of late arrivals for that flight in the past month:

Number of hours late Number of days it occurred

0 to <3 hours 8

3 to <6 hours 11

6 to <9 hours 6

9 to <12 hours 4

12 to <15 hours 1

What is the probability that the flight will be at least 3 hours late?

A. 0.73

B. 0.37

C. 0.22

D. 0.27

What is the average number of hours that a flight is late?

A. 7.8 hours

B. 3.33 hours

C. 9 hours

D. 5.4 hours

Reference no: EM13100748

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