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The mean hourly pay rate for financial managers in the East North Central region is $48.93, and the standard deviation is $2.76. Assume that pay rates are normally distributed.
a. What is the probability a financial manager earns between $45 and $52 per hour?
b. How high must the hourly rate be to put a financial manager in the top 10% with respect to pay?
c. For a randomly selected financial manager, what is the probability the manager earned less than $43 per hour?
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A sample of n = 25 scores has a mean of M = 40 and a variance of s2 = 100. If this sample is being used to test a null hypothesis stating that m = 43, then what is the tstatistic for the sample?
Men the same age have mean height 69 inches with standard deviation 2.7 inches. What is the z-score for a woman who is 6 feet tall?
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