The time, in minutes, required for a student to travel from home to a morning class is uniformly distributed between 20 and 25. if the student leaves home promptly at 7:38
a.m., what is the probability that the student will not be late for class at 8:00
a.m.
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He takes 20-25 min.
Possible outcomes are 21,22,23 and writing
No. of possible outcomes =4
If he leaves at 7:38 , he must reach school within 22 min to reach at time.
So favourable outcomes are 21,22
No,. of favourable outcomes =2
Probability I'd 2/4=1/2
Possible outcomes are 21,22,23 and writing
No. of possible outcomes =4
If he leaves at 7:38 , he must reach school within 22 min to reach at time.
So favourable outcomes are 21,22
No,. of favourable outcomes =2
Probability I'd 2/4=1/2
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