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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?
Call centers typically have high turnover. The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank's call centers in the Excel file Call Center Data.
Determine which groups differ in average shelf life. Give test statistic, hypothesis, decision rule and hypothesis
Assuming that thedistribution has not changed from what it was in the past year, what is the probability that the mean blackness of the spots is less than 1.0?
How can we be certain that surveys and statistics that we hear about in the media are accurate samples and unbiased? Is there a way to dissect the information and determine if a probability sample was used?
Complete the procedure on each of 36 occasions. Assuming we wich to be 99% certain of avoiding a Type I error, use these data to evaluate the union's claim.
The bus averaged 40 mph on the drive from Columbus to Athens but averaged 60 mph during the return trip. What was the average speed of the bus for the entire trip?
Which of the following would be the hypothesis for testing the claim that the proportion of students at a large university who smoke is significantly different from 0.15?
For the following scores, find the: A. Mean. B Median. C. Sum of squared deviation. D. Variance. E. Standard deviation.
Is there a relationship between sales and newspaper?
Determine the confidence level used for the given confidence interval.
Create a frequency distribution and histogram for this variable, and calculate the mean, median, and standard deviation. Describe how BankTen compares with other banks in terms of profits per employee.
At the 5% level of significance, can we infer that branch A has a significantly higher proportion of satisfied customers than branch B?
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