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It Is Believed That the Number of Drivers Who Are

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It is believed that the number of drivers who are ticketed for speeding on a particular stretch of highway is a Poisson distribution with a mean of 3.5 per hour.A random sample of 100 hours is selected with the following results:
It is believed that the number of drivers who are ticketed for speeding on a particular stretch of highway is a Poisson distribution with a mean of 3.5 per hour.A random sample of 100 hours is selected with the following results:    Given this information,and without regard to whether there is a need to combine cells due to expected cell frequencies,the critical value for testing whether the distribution is Poisson with a mean of 3.5 per hour at an alpha level of .05 is x<sup>2</sup> = 15.5073. Given this information,and without regard to whether there is a need to combine cells due to expected cell frequencies,the critical value for testing whether the distribution is Poisson with a mean of 3.5 per hour at an alpha level of .05 is x2 = 15.5073.

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