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Workers for the FSU health clinic measured the cholesterol of 1000 people selected at random on campus. The average total cholesterol reading (LDL and HDL) was 210 with a standard deviation of 6. Student A transfers to FSU and has a cholesterol reading of 199. What is the probability of observing a cholesterol reading of 199 or less?
Kansas City prefer the new package, the probability that Catherine's random sample of 300 households will have a sample proportion greater than 0.45 is?
ACME will incur the cost of replacement, but will not receive any additional revenue. What is the profit earned/loss incurred on an all weather tire that exceeds 40,000 miles?
Four properties are randomly selected from each neighborhood and the ratios recorded for each as follows:
The mean amount purchased by a typical customer at Churchill's Grocery Store is $23.50 with a standard deviation of $5.00. Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the follo..
Create a hypothesis and perform a series of tests to determine if there is any fundamental difference in the findings.
What is the optimal solution if the annual return for U.S. Oil changes from $3 to $8 per share (everything else stays the same)? What is the value of the total return?
At the 0.01 level, is the bank loan financially sound (should the bank ask for additional collateral)? What is the decision rule?
What is the probability that a shopper will spend more than 25 minutes in a store? If 200 shoppers enter a store, how many shoppers would you expect to stay in the store for more than 25 minutes?
Explain the conclusion that there were no statistically significant differences (p ≥ 0.05) between the benefits of behavioral therapy and psychoanalysis when treating an eating disorder.
Five students took a math test before and after tutoring. Their scores were as follows. Using a 0.01 level of significance, test the claim that the tutoring has an effect on the math scores.
Assume that the following four examines were tested as part of a large group that had a normally curved distribution.
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.
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