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1. |
A restaurant manager needs to hire three employees: one host, one server, and one cook. Vito, Kendra, Kale, Sachiko, and Ren all applied for a job. How many possible ways are there for the manager to place the applicants? |
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A. |
60 |
B. |
120 |
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C. |
3 |
D. |
12 |
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Hint |
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2. |
Suppose three coins are tossed, and each time, they turn up heads. What is the probability that the next toss will be heads? |
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A. |
0.9375 |
B. |
0.0625 |
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C. |
0.5 |
D. |
0.125 |
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Hint |
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3. |
Suppose three coins are tossed. What is the probability that two will turn up heads, and one turn up tails? |
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A. |
0.125 |
B. |
0.75 |
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C. |
0.375 |
D. |
0.625 |
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Hint |
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4. |
Elizabeth has 12 female friends and 10 male friends. If she is having an eight-person party, what is the probability that there will be 5 girls and 3 boys, if she chooses people at random? |
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A. |
0.152 |
B. |
0.594 |
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C. |
0.297 |
D. |
0.149 |
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Hint |
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5. |
Martha goes to the dentist and finds out that she has five cavities. If she has 16 upper teeth and 16 lower teeth, what is the probability that all five cavities are on the upper teeth? |
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A. |
0.11 |
B. |
0.22 |
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C. |
0.011 |
D. |
0.022 |
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Hint |
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