The average weekly earnings of bus drivers in a city are $950 (that is ?) with a standard deviation of $45 (that is ?). Assume that we select a random sample of 81 bus drivers
a. Compute the standard error of the mean.
b. What is the probability that the sample mean will be greater than $960?
c. If the population of bus drivers consisted of 400 drivers, what would be the standard error of the mean?
a. 5
b. 0.0228
c. 4.47
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An advocate of the strategic trade policy would agree that a government should use _____ to help promising businesses that are active in emerging industries.
Fill in the blank(s) with the appropriate word(s).
Beth's health insurance policy contains a provision that allows her to renew coverage up to age 65. However, the policy also states that should Beth lose her job, the insurance company will cancel the policy, regardless of Beth's age. In terms of renewability, what type of policy does Beth have?
A) Guaranteed renewable B) Cancelable C) Optionally renewable D) Conditionally renewable