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In the morning, you call BCIT Library to answer your questions about overdue fees. You notice that it takes between 5 to 30 m
Part 2: You call the BCIT Library at 10:07 AM. What is the probability that you get through before your virtual class in Stat
Part 3: 25% of the time it takes you longer than how many minutes to get through BCIT Library? A. 6.25 B. 11.25 C. 23.75 D. 2
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Answer #1

1. P(at least 20 mins ) = (30-20)/(30-5) = 0.4000 (B)

2. P(call resolves in 23 minutes ) = 23/25 = 0.9200 (E)

3. (30-x)/(30-5) = 0.25 ; x=23.75 (C)

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