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A large candy manufacturer is concerned that the mean weight of their bag of Gooey Sour Worms is not greater than 7.3 ounces. It can be assumed that the population standard deviation is .5 ounces based on past experience. A sample of 169 gummy worms is selected and the sample mean is 7.35 ounces. Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Fully explain your answer.
Why is it misleading to draw the conclusion from the test above that long-time exposure to cadmium reduces the vital capacity?
Determine the mean and standard deviation for number of actual voters in groups of 1002.
Based on these data, explain whether or not course attendance had any effect on determining of a restaurants violation of health code.
Write all the possible samples of size 2 and calculate the average or median of each one.
What statistical procedure was used to analyze data in study B?
Design a Linear programming problem for the flair Furniture Company and find the combination of tables and chairs that the company must produce to maximize profits.
Pproportion who are sent to prison after pleading innocent and being found guilty? No, as the test value -1.96 is inside interval (-2.58, 2.58), No, as the test value -4.94 is outside interval (-1.96, 1.96).
The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:
Otherwise you lose $1. If you make this wager very many times, what will be the mean outcome?
Develop a 99% confidence interval for the population proportion.
A company makes molded plastic toys. They study the plastic injection process into the molds. A common cause of variation and What are the control limits for an chart
How much variability will you have if you predict sales with this model?
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