In a survey about what time people go to work, it was found that 8.2 million people go to work between midnight and 6 A.M., 60.4 million between 6 A.M. and 9 A.M., and 18.3 million between 9 A.M. and midnight.(a) Find the probability that a person goes to work between 6 A.M. and midnight.(b) Determine the probability that a person goes to work between midnight and 6 A.M.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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In a survey about what time people go to work, it was found that 8.2 million people go to work between midnight and 6 A.M., 60.4 million between 6 A.M. and 9 A.M., and 18.3 million between 9 A.M. and midnight.
(a) Find the probability that a person goes to work between 6 A.M. and midnight.
(b) Determine the probability that a person goes to work between midnight and 6 A.M.

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