A personnel director for a corporation has hired ten new engineers. If three (distinctly different) positions are open at a Cleveland plant, the number of ways she can fill the positions is 120. True or false?
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Step 1:** Calculate the number of ways to fill the 3 positions with the 10 engineers using permutation formula: \(^{10}P_3 = \frac{10!}{(10-3)!} = \frac{10!}{7!} = 720\) ** Show more…
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