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1. The Director of Golf for a local course wants to study the number of rounds played by members on weekdays. He gathered the sample information shown below for 520 rounds. At the .05 significance level, is there a difference in the number of rounds played by day of the week?
Day
Rounds
Monday
124
Tuesday
74
Wednesday
104
Thursday
98
Friday
120
2. A research firm conducted a survey to determine the mean amount steady smokers spend on cigarettes during a week. A sample of 64 smokers revealed that = $20 and S = $5. What is the 95% confidence interval for μ?
A major detergent manufacturer proposes spending £2.5 million (US$4.5 million) on a twelve-month national advertising campaign to promote an environmentally friendly washing liquid. Advise the marketing director how the effectiveness of the campa..
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What are the null and alternative hypotheses in this situation?
EMP 515 Materials and Logistics Management Spring 2015 Exam. Ordering costs are $100 per order. Order lead time is 2 month Determine: Optimal ordering quantity and Minimal reordering point that ensures probability of not running out of stock of 98%
find and attach a cross tabulation of data that is of interest to you. write a question for the following along with
1 in a survey 3 of 4 students said the court show too much concern for the criminals. find the probability that at most
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
a data set consists of 83 test scores. over a long period it has been found that the mean and standard deviation for
Illustrate what amount of sales would be required to be a super savings club member. Elucidate amount of sales would be required to be a gold club status.
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