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The police department of a major city has found that the average height of their 1,200 officers is 71 inches (µ = 71 in.) with σ = 2.6 inches. Use the normal distribution and the formulas and steps in this week's presentations to answer the following questions:
What is the z score for an officer who is 72 inches tall? Based on the z score and the z table, what is the officer's percentile?
What is the height (in inches) that marks the 80th percentile for this group of officers?
What percent of officers are between 68 and 72 inches tall?
Describe the relationship between marginal revenue and marginal cost at the point of profit maximization. Objective 309.1.1.06: Explain the concept of profit maximization.
for the calculus ii assignment provided below can you please provide step by step solutions for
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The cost in dollars for removing p percent of pollutants from a river in Smith County is C(p)=68800p/100-p Graph this function on your calculator. 1.Find the cost of removing 20%.
A Dow Chemical bond carries a 9% coupon, pays interest semiannually, and has 10 years to maturity. What is the bond's yield to maturity if the bond is selling for $937.75?
a college student invests 8000 in an account that pays interest annually. if the student would like this investment to
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90% confidence interval for the difference in average absorption time for the two drugs. Does it appear that one drug is absorbed faster than the other (at the 90% level)? Explain
Suppose that for X = net amount won or lost in a lottery game, the expected value is E(X) = -$0.50. What is the correct interpretation of this value?
evaluate an amount of gravel from the given ratio.concrete is made by mixing gravel cement and sand in the ratio of
Find the probability that the coin turns up heads once and tails once?
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