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A DJ plays 3 songs and 4 commercials in 20 minute session. If the order is song, commercial, 2 songs, 3 commercial how many possible combinations will there be.
Describe five data collection techniques in your own words. Be sure to cite any sources you used. Explain why the examination of collected data is so important.
What is the approximate probability that the average weekly postage expense for the past 52 weeks will exceed the budgeted amount of $ 400?
If the mean number of serious accidents per year in a large factory (where the number of employees remains constant) is five, find the probability that in the current year there will be:
suppose that certain electronic components have lifetimes that are exponentially distributed fttau 1tauexp-ttaut gt 0.
The daily revenue totals for the next 30 days will be monitored. What is the probability that the mean daily revenue for the next 30 days will be between $7000 and $7500?
In a sample of 60 mice, a biologist found that 46% were able to run a maze in 30 seconds or less. Find the 99% limit for the population proportion of mice who can run that maze in 30 seconds or less?
Whats the most appropriate procedure for evaluating the relationship between tenure and divorce and what is the correlation and how can it be interpreted in terms of magnitude, direction and practical importance?
QUESTIONS #36 THROUGH #40 REFER TO THE FOLLOWING:A professor wants to analyze the number of hours students spent online during the weekend and their scores on a test the following Monday. Part of the regression output appears below.
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?
You randomly select 40 cans and carefully measure the contents. The sample mean of the cans is 127.9 ounces. Does the machine need to be reset? Explain your reasoning.
The sample proportion of grandparents as primary caregivers(p-hat) is to be calculated. What is the standard deviation of the sampling distribution of p-hat?
Scores are normally distributed with an average of 1500 and a standard deviation of 150 The minimum exam score necessary for applicants to be further considered for admission is?
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