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How do you find the normal distribution when the mean is 50 witha standard deviation between scores of 32 and 47?
A restaurant has three sources of revenue: eat-in orders, takeout orders, and the bar. What are the mean and standard deviation of the total revenue on a particular day?
using a significance level of .05, test the hypothesis that the intake of linoleic acid in this group is lower than that of the general population. Also, compute a p-value for the hypothesis test.
Under what conditions should you use the McNemar test? Under what conditions should you use the Kruskal-Wallis rank test?
Letting μ be the mean composite satisfaction rating for the gaming console, we find that the test should be H o : μ ≤ 42 versus H a : μ > 42
Inmates who are in the state facility and 9 who have legal satisfaction scores of 5 or more. How do determine the probability for this because I have come up weird numbers.
This requires you evaluate the data (on the next sheet) and apply Queueing Theory to determine the characteristics of the queues. Please refer to the concept on Queuing Theory for the procedures to do.
While in July the mean high temperature is 74oF and the standard deviation is 8oF. In which month is it more unusual to have a day with a high temperature of 55oF?
State the null and alternate hypotheses. Calculate the sample standard deviation. Determine which test statistic is appropriate (chi-square or F), and calculate its value.
95% confidence interval evaluate for proportion of Americans who believe Abraham Lincoln is United States' most outstanding President is 65% to 75%. If more precise estimate is requested, then confidence level.
Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period.
If two voters are randomly selected for a telephone survey, what is the probability that they one is a Republican followed by a Democrat? Round your answer to 4 decimal places.
Build a 95% confidence interval for the mean of the population from the given sample data.
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