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Which of the following statements is true regarding the leverage of supply chain savings?
a. Supply chain leverage is about the same for all industries. b. Supply chain savings exert more leverage as the firm's purchases are a smaller percent of sales. c. Supply chain savings exert more leverage as the firm has a lower net profit margin. d. Supply chain leverage depends only upon the percent of sales spent in the supply chain. e. none of these is true.
Explain these results to a person who understands the t test for a single sample but knows nothing about the t test for independent means.
What is the Standard Deviation of the Probability Distribution that would list the number of students (from 0 to 92) and the probability of each. If the answer cannot be calculated
Normal approximation to the Binomial distribution - Evaluate the probability that at least 195 of the students are female.
In a study of check out scanners, 5 of 675 items were found to be overcharges, test at the 0.05 significance level, the claim that with scanners, 5% of sales are overcharges.
Respond to the questions? In other words, what is the probability that the sample proportion p will be at least 75/300 = 0.25?
a) What is the probability that for any day, the number of special orders sent out will be more than 4? b) What is the standard deviation of the number of special orders sent out daily?
As it is a 2 × 2 table, try also two-tailed two-sample z test for π 1 = π 2 and verify that z 2 is same as your chi-square statistic. Which test do you prefer? Explain why?
A state representative is reported as saying that about 10% of reported auto thefts involve owners whose cars have not really been stolen, but who are trying to defraud their insurance company.
The time interval between services at the station follow exponential distribution and as such the mean time taken to serve a unit is 5 minutes. What is the expected average queue length?
The company sells Mr. Brophy an insurance policy and he has an accident. What's the probability of Mr. Brophy being a good, medium or poor driver?
You wish to do a community needs assessment survey of a community to find out how much office space is needed by professionals in the community.
Provide an example of an application of the normal distribution. Explain why standard normal distribution can be used to find the probabilities for all normal distributions?
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