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A manager was interested in studying whether voicemail response times are the same for women and men at his company. He took a random sample of response times from the system at the company. For 48 calls received by women, the mean response time was 2.3 hours with a standard deviation of 0.6 hours. For 57 calls received by men, the mean response time was 2.5 hours with a standard deviation of 0.5 hours. Perform a hypothesis test at a significance level of 0.05 to test whether response times are the same for men and women at that company.
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nobel prize winners. the national science foundation collects data on nobel prize laureates in the field of science
Discussion should include a critical reflection on the way in which you completed the market challenge element of the module.
If 5 men and 5 women are to be chosen randomly and then paired off, what is the probability of a given pair (Alice-Bob) to be formed?
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If they enroll this many pupils, how much would they need to charge per pupils in order to realize their profit goal of $5,000.
Create a 95 % confidence interval for the true mean. Why might normality be the issue here?
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the alphacor company experiences some type of failure on its computer network on average once every 4 hours. assume
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For each problem, compute a Welch F-statistic and determine whether or not significant differences exist among the treatment conditions.
let y1 and y2 be independent poisson random variables with means ?1 and ?2 respectively.find thea. probability function
Sstandart deviation of 40 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 368 seconds.
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