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Peter, Paul, Mary, John and Martha are members of the pastoral council at a localchurch. They are to be seated at one side of a long conference table in a pastoral councilmeeting.
a) How many possible ways can these 5 council members be seated?
b) How many possible sitting arrangements are there if only gender is considered in theprocess?
The average service time at CheesePlate Restaurant is 3.5 minutes with a standard deviation of .04 minutes. A new order system claims it can improve service time
Suppose it is desired to estimate the population mean number of miles with a margin of error of ± 2 miles at 95% confidence. Do the data provide this desired level of precision? What action, if any, would you recommend be taken?
To compare the effectiveness of three types of pain relievers, a homogeneous group of 22 students were divided randomly into three groups, and each group took one of three pain relievers for a period of 2 weeks.
Identify a research issue, problem, or opportunity that uses data that has absolute zero measurements, ratio level data.
A computer supply house receives a large shipment of floppy disks each week. Past experience has shown that the number of flaws per disk can be described by the following probability distribution:
Employ the frequency distribution, which describes the response of a survey of college students when asked, "How often do you wear a seat belt when riding in a car driven by someone else?"
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following
Find a 95% confidence interval for the mean µ of the population from which the men were selected.
Determine if there is reason to reject the claim made by Winston Tire Company and conclude that tires last for less than 40,000 miles.
Suppose that you select a 50 families sample. Which is the form expected from the distribution of the average or median of the sample?
(a) Compute the arithmetic mean of the subscribers' incomes. (b) Compute the modal and median incomes.
The waiting time to place an order at a branch of a fast-food chain during the lunch hour has had population mean of 3.55 minutes, with a population standard deviation of 1.1 minute.
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