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Four sales representatives for a company are to be chosen to participate in a training program. the company has eight sales representatives, two in each of the four regions. In how many ways can the sales representatives be chosen (a) if there are no restrictions and (b) selection must include one sales rep from each region
If it takes a colony of termites one day to devour a block of wood that is 2 inches wide, 2 inches long, and 2 inches high, then how long will it take them to devour a block of wood that is 4 inches wide,
One of 4 bus drivers is also arbitarily selected. Let Y denote number of students on his bus. Calculate the expectations of X and Y.
Determine the probability that exactly 8 of them started smoking before 18 years of age.
What value is business research and hypothesis testing to a company? How long should it take a company to complete a scientific research study?
Critically discuss the difference between the standard deviation of the sampling distribution of the mean and the standard deviation of the sampling distribution of the median when we calculate the probability?
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p-value.
If one of these consumers is randomly selected, what is the probability that the person prefers design A and is under 25?
If person is selected at random and tested, determine the probability of that person having an IQ score between 85 and 115. Make use of EXCEL to help determine the probability.
Nationwide, the average waiting time until electric utility customer service representative answers a call is 300 seconds per call. The Gigantic Kilowatt Energy Company took a sample of 35 calls and found that, on the average
Heart disease patients often experience spasms of the coronary arteries. Because biological amines such as serotonin may play a role in these spasms, a research team measured serotonin levels post-mortem from patients who died of heart disease and..
A prison official wants to estimate the proportion of cases of recidivism. In examining 250 convicts there are 65 cases. with 99% confidence interval what is the range? How do you figure this type of problem?
The supermarket is open 16 hours per day. What is the probability that the total number of customers who enter the supermarket in one day is greater than 10,000?
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