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1. |
A history teacher has a stack of four different books. How many ways can these books be stacked? |
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A. |
4 |
B. |
48 |
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C. |
24 |
D. |
12 |
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Hint |
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2. |
Find the value of P(9, 3). |
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A. |
504 |
B. |
84 |
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C. |
3,024 |
D. |
729 |
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Hint |
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3. |
There are 8 floats in a parade. If the float carrying the grand marshal must be first, how many ways can the parade organizer pick the next two floats in the parade? |
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A. |
42 |
B. |
28 |
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C. |
21 |
D. |
56 |
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Hint |
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4. |
There are 9 players on a softball team. How many ways can the coach pick the first 5 batters? |
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A. |
15,120 |
B. |
60,480 |
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C. |
3,024 |
D. |
45 |
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Hint |
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5. |
Consider all of the five-digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 where no digit is used twice. Find the probability that one of these numbers picked at random is between 10,000 and 20,000. |
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A. |
16 % |
B. |
25% |
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C. |
33 % |
D. |
20% |
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Hint |
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