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1. |
Students at Garner Middle School are given the opportunity to determine the school's mascot, the mascot's name, and the school colors. The choices are narrowed down to those shown in the table below. What is the probability that the students will choose a lion named Gus for their mascot? |
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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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2. |
How do the medians of the two sets of exam scores compare? |
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A. |
The median of Exam A is greater than the median of Exam B. |
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B. |
The answer cannot be determined since the median is not shown in a box and whisker plot. |
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C. |
The medians are equal. |
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D. |
The median of Exam A is less than the median of Exam B. |
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Hint |
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3. |
What is the probability of selecting 3 vowels at random from the word mathematics? |
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A. |
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B. |
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C. |
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D. |
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4. |
Kim has 3 blue sweaters, 2 red sweaters, and 5 white sweaters in a dresser drawer. If she selects 3 sweaters at random with replacement, what is the probability she will select a red one first, white second, and blue third? |
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A. |
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B. |
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C. |
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D. |
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5. |
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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6. |
For which scatter plot will a good line of fit have a negative y-intercept? |
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7. |
Find 12P4. |
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A. |
95,040 |
B. |
11,880 |
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C. |
19,958,400 |
D. |
42 |
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Hint |
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8. |
A composition teacher needs to choose 10 students out of 15 to serve as rough draft reviewers. A group of 10 seniors, 3 juniors, and 2 sophomores have volunteered. If the students are chosen randomly, what is the probability that 6 seniors, 2 juniors, and 2 sophomores will be selected? |
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9. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling an even number? |
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A. |
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B. |
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C. |
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10. |
The table shows the results of rolling a number cube over three separate experiments. What is the experimental probability of rolling a two for all three experiments? |
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A. |
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11. |
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. |
0.625 |
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C. |
0.375 |
D. |
0.75 |
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Hint |
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12. |
One card is drawn from a standard deck of cards. What is the probability that it is either a black card or a face card? |
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13. |
Suppose that the mean is 50. How many standard deviations away is the value 65? |
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A. |
about 1 standard deviation |
B. |
cannot be determined from given information |
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C. |
about 2 standard deviations |
D. |
within 1 standard deviation |
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Hint |
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14. |
Compute the variance and standard deviation for the set of {7,7,7,7}. Round to the nearest tenth. |
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A. |
0; 0 |
B. |
0; 28 |
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C. |
7; 0 |
D. |
0; 7 |
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Hint |
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