Max sleeps in 4 out of 5 days in a week. If he wakes up late, the probability that he's late for school is 9/10. If he doesn't

Question

Max sleeps in 4 out of 5 days in a week. If he wakes up late, the probability that he's late for school is 9/10. If he doesn't wake up late, the probability he's late for school Is 3/10. What percent of days does he get to school on time?
11/50
13/50
22/50
7/10

Kunduz · Accepted Answer

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