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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?
The means appear to be very close, but not the variances. At α = .05, is there a difference in variances? Show all steps clearly, including an illustration of the decision rule.
A researcher discovers the number of parking tickets that a group of students have received during their driving careers. Twenty students reply and they have received between 9 and 20 parking tickets.
It is impossible to get a negative value for an F -ratio.
How many participants need to be enrolled in each group to achieve 80% power using a two-sided test with significance level =.05
How do you determine the common factor in an expression? Please give some concrete examples. what is a common factor ? Where do you use the common factor in an expression consisting of various terms?
Formulate the hypotheses to determine whether or not the lathe is in perfect adjustment.
Choose a construct you would like to measure. Create an operational definition of your construct using at least three peer-reviewed journal articles as references.
Be able to conduct a one-tailed hypothesis test for the mean at the .025 significance level. State the null and alternative. State the critical value. Draw a diagram. Provide the computation of the test statistics. State your decision in terms of ..
Probability of selecting a household with no children that is equal to the value obtained by the census. Give the z statistic (rounded to two decimal places) and the P-value. What do you conclude?
Decileter and standard deviation of 41 mg/dl. in an srs of 100 men what is the probability that x bar takes a value between 185 and 191 mg/dl?
U.S Census data show that 14% of the consumer population is 18 to 24 years old. Given the consumer is 18 to 24 years old, what is the probability that the consumer use a plastic card?
Simulate the arrival of cars at the service station for 20 arrivals and compute the average time between stations and Simulate the arrival of the cars at the service station for 1 hour
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