first, second, and third prizes be drawn from a box containing 120 names? 4. In how many different ways can 5 bicycles be parked if there are 7 available parking spaces? 5. Find the number of distinguishable permutations of the digits of the number 911 912
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Since there are 7 available parking spaces and 5 bicycles, we need to choose 5 out of the 7 spaces to park the bicycles. This can be calculated using the combination formula: C(7, 5) = 7! / (5! * (7-5)!) = 7! / (5! * 2!) = (7 * 6 * 5!) / (5! * 2 * 1) = (7 * 6) / Show more…
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