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Mathematics 17 Online
OpenStudy (anonymous):

Lenny's favorite radio station has this schedule: News 13 minutes, commercials 2 minutes and music 45 minutes. If Lenny chooses a time of day at random to turn on the radio to his favorite station, what is the probability that the news with be on

OpenStudy (anonymous):

Any choices?

OpenStudy (kropot72):

The Poisson distribution is used for this type of problem. The average number of minutes in an hour when the news is on is 13. Therefore \[\lambda=\frac{13}{60}\] \[P(X=1)=\frac{e ^{-\lambda}\lambda ^{1}}{1!}=you\ can\ calculate\]

OpenStudy (kropot72):

@TMusetti Are you there?

OpenStudy (anonymous):

I just got on again sorry

OpenStudy (anonymous):

Thanks a lot for your help!!!

OpenStudy (kropot72):

You're welcome :)

OpenStudy (kropot72):

Have you got a result?

OpenStudy (anonymous):

sorry I have to go, I almost got it though.....thanks again

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