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In a University they will present a thermodynamic evalution, individually. The average resolution time is estimated...

In a University they will present a thermodynamic evalution, individually. The average resolution time is estimated to be 80 minutes and, in addition, the time distribution is assumed to be exponential. If the evaluation started at 9:00 am,

Calculate the probability that a student will finish the evaluation in the period between 9:50 and 10:00 am.

Math   Statistics-And-Probability   
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Answer #1

according to the problem,

the pdf of the distribution be:-

the probability that a student will finish the evaluation in the period between 9:50 and 10:00 am is:-

[ 9.00 am - 9.50 am = 50 minutes , 9.00 am - 10.00 am = 60 minutes]

*** if you have any doubt regarding the problem ,please write it in the comment box...if satisfied,please UPVOTE.

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