document.write( "Question 1011772: 14. If calls to your cell phone are a Poisson process with a constant rate l=2 calls per hour, what’s the probability that, if you forget to turn your phone off in a 1.5 hour movie, your phone rings during that time? How many phone calls do you expect to get during the movie? \n" ); document.write( "

Algebra.Com's Answer #627673 by Boreal(15235) $\"\"$ $\"About$

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Expect 3 calls in a 1.5 hour movie.
\n" ); document.write( "Probability (0)=e(-3)*3^0/0!=e^(-3)=0.0498
\n" ); document.write( "The probability of not zero; i.e., ringing, is 0.9502. \n" ); document.write( "

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