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Recent crime reports indicate that 5.2 motor vehicle thefts occur each minute in the United States. Assume that the distribution of thefts per minute can be approximated by the Poisson probability distribution.
a) Calculate the probability exactly four thefts occur in a minute.
b) What is the probability there are four or more thefts in a minute?
c) What is the probability there is one or less theft in a minute?
A random sample of 100 students at Southern University was collected. The mean age was found to be 24.2 years, with a standard deviation of 3.4 years.
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By using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 4.3?
ABC Corporation has been using statistical process control for several months.
Illustrate the maximum number of reservations that it could accept for a flight with a capacity of 160, if it needs the probability of accommodating all reservation holders to be at least 95%.
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The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.
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