document.write( "Question 1177161: Customers arrive at Speedy Oil Change at the rate of 9 per hour. What is the probability that exactly seven customers arrive at Speedy’s in the next hour? \n" ); document.write( "

Algebra.Com's Answer #805448 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Poisson distribtion:\r\n" );
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document.write( " = .1171\r\n" );
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document.write( "Or Using TI or similarly an inexpensive calculator like a Casio fx-115 ES plus \r\n" );
document.write( "P(7) = poissonpdf(mean, x-value) = poissonpdf(9, 7) = .1171\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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