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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.
question assume that breast cancer affects .8 percent of the female population between 40 and 50 years of age. there
a simple random sample of 120 sat scores has a mean of 1540. assume that sat scores have a population standard
Supposing that there is no cost of entering the sweepstakes, find the expected value of the amount won for one entry. Determine the expected value if the cost of entering this sweepstakes is the cost of a postage stamp. Is it worth entering the cont..
determine the area under the standard normal curve in parts a through c below. find the area under the normal curve to
A Statistic professsor plans classes so carefully that the lenths of her classes are uniformly distributed between 46.0 and 56.0 minutes. Find the probability that a given class runs less than 51.5 minutes. Find the probability of selecting a clas..
each of 12 ordered boxes contains 12 coins consisting of pennies and dimes. the number of dimes in each box is equal to
let x and y be independent geometric distributions. u minxy v x - ya show that u and v are independentb find the
Discuss the assumptions for using a chi-square test. Research articles using and provide practical examples from the reseach to support your assumptions.
If 55 people are chosen at random, what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points?
Listed below are altitudes (thousands of feet) and outside air temperatures(degrees Fahrenheit) recorded by the author during Delta Flight. is there sufficient evidence to conclude that is a linear correlation between altitude and outside air temp..
in testing the difference between two population means which of the following assumptions is not true for the
test the claim that the samples come from population with the same mean. a consumer magazine wants to compare the
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