document.write( "Question 1178321: Suppose that the number of cars arriving in 1 hour at a busy intersection is a Poisson probability distribution with λ = 100. Find, using Chebyshev’s inequality, a lower bound for the probability that the number of cars arriving at the intersection in 1 hour is between 70 and 130.\r
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Algebra.Com's Answer #807564 by Boreal(15235)\"\" \"About 
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The mean and the variance are the same for a Poisson distribution, so sd=10
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\n" ); document.write( "So the lower bound of probability for the number of cars would be 1-(1/9) or 8/9.
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