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1. |
The enrollments at the University of Texas at Austin in some recent years were 47,905, 48,008, 48,857, 48,906, and 49,009. Find the standard deviation of the data. |
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A. |
477.62 |
B. |
461.28 |
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C. |
434.00 |
D. |
452.93 |
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Hint |
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2. |
The scores on a national achievement test are normally distributed with a mean of 50 and a standard deviation of 10. Out of a group of 200 students, how many would you expect to score more than 70? |
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A. |
10 |
B. |
1 |
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C. |
5 |
D. |
32 |
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Hint |
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3. |
The letters of the alphabet are placed in a box. What is the probability of selecting a consonant or a letter from the word variable? |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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4. |
Two cards are drawn from a standard deck of 52 cards. Find the probability of drawing either two jacks or two red cards. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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5. |
A scatter plot is __________. |
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A. |
a line graph |
B. |
a set of data graphed as ordered pairs in a coordinate plane |
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C. |
a line graphed in a portion of Quadrant I of the coordinate plane |
D. |
a table of data |
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Hint |
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6. |
Draw a box-and-whisker plot of the data. |
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A. |
 |
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B. |
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C. |
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D. |
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Hint |
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7. |
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. |
3 |
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C. |
12 |
D. |
120 |
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Hint |
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8. |
Find 8P3. |
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A. |
1,680 |
B. |
21 |
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C. |
336 |
D. |
24 |
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Hint |
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9. |
How many different ways can a coach make a team of 18 players from a tryout of 20 people? |
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A. |
190 |
B. |
3,420 |
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C. |
6,840 |
D. |
380 |
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Hint |
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10. |
A bag contains 10 red marbles, 5 gray marbles, 12 black marbles, and 8 white marbles. Two marbles are randomly drawn from the bag without replacement. What is the probability of drawing a white marble followed by a marble that is not black? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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11. |
A number cube is rolled and a coin is tossed. What is the probability of rolling a 5 and tossing tails? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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12. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a three? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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13. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling a five? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
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. |
0.625 |
B. |
0.75 |
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C. |
0.125 |
D. |
0.375 |
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Hint |
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