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Chapter 11: Problem 25
Evaluate each factorial expression. \((7-3) !\)
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In how many different ways can a police department arrange eight suspects in a police lineup if each lineup contains all eight people?
Evaluate each factorial expression. \(\frac{19 !}{11 !}\)
Make Sense? Determine whether each statement makes sense or does not make sense, and explain your reasoning. I must have made an error calculating probabilities because \(P(A \mid B)\) is not the same as \(P(B \mid A)\).
Are related to the SAT, described in Check Point 4 on page \(752 .\) An oil company is considering two sites on which to drill, described as follows: Site A: Profit if oil is found: \(\$ 80\) million Loss if no oil is found: \(\$ 10\) million Probability of finding oil: \(0.2\) Site B: Profit if oil is found: \(\$ 120\) million Loss if no oil is found: \(\$ 18\) million Probability of finding oil: \(0.1\) Which site has the larger expected profit? By how much?
A construction company is planning to bid on a building contract. The bid costs the company \(\$ 1500\). The probability that the bid is accepted is \(\frac{1}{5}\). If the bid is accepted, the company will make \(\$ 40,000\) minus the cost of the bid. Find the expected value in this situation. Describe what this value means.
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