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1. (a)There are 3 people at a donut shop and they have 5 donuts. How many ways are there to assign donuts to people if each person must get at least one?(b) What if some people can get no donuts?(c) Repeat parts (a) and (b) for when we have m people, n donuts and n ≥ m.
2. A robot travels from the lower left corner to the upper right corner of an m × n grid. It can only move right and up. How many unique paths can it take?
What are planned comparisons? Why do researchers making planned comparisons need to make the Bonferroni correction? If a researcher is making four planned comparisons using the .05 significance level
Sugar packaged by a certain machine has a mean weight of 5lb and a standard deviation of 0.02 lb. For what values of c can the manufacturer of the machinery claim that the sugar packaged by this machine has a weight between 5 - c and 5 + c lb with..
The mean time to expose a single panel in a circuit-board plant is two minutes with a standard deviation of 1.5 minutes. What is the natural coefficient of variation?
Determine the probability that 5 or less questionnaires will be returned? Compute also probability that 7 or more questionnaires will be returned.
A company has two different processes that make credit cards. Suspecting that machine B has a higher variability than machine A the manager orders a test to be run. The following data was collected:
Find the probability that one or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.)
If x is a binomial random variable where n = 100 and p = .1, find the possibility that x is less than or equal to 10 using the normal approximation to the binomial.
For a new HDTV the mean number of months until repairs are needed is 36.84 with a standard deviation of 3.34 months.
Mean = 14.2, s² = 5.92 and sum of X squared EX² = 2941.60. What can be concluded about age differences in problem solving ability?
Find the probability and mean and standard deviation for given data under Binomial distribution.
Determine probability, P(Z
Research by the Illinois Banking Company revealed that only 10 percent of their customers wait more than five minutes to do their banking. Management considers this reasonable and will not add more tellers unless the proportion becomes larger than..
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