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Consider a random sample of 11 observations, given in the following table, from a normal population with hypothesized mean 57.71.
a. Write the four parts for a one-sided, right-tailed hypothesis test concerning the population mean with a 5 0.01.
b. Compute the sample mean, the sample standard deviation, and the value of the test statistic. Draw a conclusion about the population mean.
c. Find the p value associated with this hypothesis test.
The results are n = 65 and r = 0.37. Is there statistical evidence of a linear correlation between the two variables?
The restaurant is open 16 hours each day and the daily expenses are 4500. Using a normal approximation, estimate the probability that on a given day, revenue will cover expenses.
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Assuming the term project is there. Given that he searches on disc 1 but cannot find your thesis, what is the probability that your thesis is on disc i for i = 1,2,3,4.
a new muscle relaxant is available. researchers from the firm developing the relaxant have done studies that indicate
Describe these distributions by writing a few sentences comparing the duration of hospitalization for men and women.- Can you suggest a reason for the peak in women's length of stay?
In a different regression analysis, 40% of the variance was explained. The sum of squares total is 1000. What is the sum of squares of the predicted values?
If the store orders three copies of the magazine, what is the mean value of the profit? (Profit = Revenue - Cost). If the store orders four copies of the magazine, is it better to order four than three copies of the magazine. Explain.
you have applied to three medical schools university of california at san fransico ucsf duluth school of mind dsm and
Compute the p-value and interpret its meaning - Construct a 95% confidence interval estimate of the population mean life of the light bulbs.
a rock concert producer has scheduled an outdoor concert. the producer estimates the attendance will depend on the
They decide to sample some fast-food restaurants currently operating to estimate the monthly cost of electricity. They want to be 90% confident of their results and want the error of the interval estimate to be no more than $100.
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