SOLUTION: Zahra catches the train to school everyday from Monday to Friday. The probbability that the train is late on a MOnday is 0.35. The probability that it is late on any other day is

Question 644098: Zahra catches the train to school everyday from Monday to Friday. The probbability that the train is late on a MOnday is 0.35.
The probability that it is late on any other day is 0.42. A day is chosen at random.
Given that the train is late that day, what is the probability that the day is Monday?
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Late Not Late
Monday 0.35 0.65
Tuesday 0.42 0.58
Wednesday 0.42 0.58
Thursday 0.42 0.58
Friday 0.42 0.58
Saturday 0.42 0.58
Sunday 0.42 0.58
P(Monday) = 0.35/(0.35 + 0.42 + 0.42 + 0.42 + 0.42 + 0.42 + 0.42)
= or 0.12195
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