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| 1 | |
Find the measure of angle C in the triangle shown to the nearest tenth of a degree.
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| | A) | 0.8o |
| | B) | 36.9o |
| | C) | 51.3o |
| | D) | 53.0o |
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| 2 | |
Find the measure of the indicated angle in the triangle shown to the nearest tenth of a degree.
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| | A) | 48.6o |
| | B) | 69.6o |
| | C) | 74.4o |
| | D) | 87.3o |
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| 3 | |
Find the measure of the indicated side in the triangle shown to the nearest km.
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| | A) | 2222 km |
| | B) | 64 km |
| | C) | 53 km |
| | D) | 47 km |
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| 4 | |
Harrison is looking up at a bird’s nest in a tree. He measures the angle of elevation as 64o. If he is standing 12 m away from the base of the tree, how far above the ground is the bird’s nest? |
| | A) | 19.5 m |
| | B) | 22.1 m |
| | C) | 24.6 m |
| | D) | 27.4 m |
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| 5 | |
Edmund is standing 50 m east of Tiffany, who is flying a kite. The kite is at the end of a 30 m length of string, and Tiffany’s angle of elevation to the kite is 43o. How far away is Edmund from the kite?
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| | A) | 27 m |
| | B) | 35 m |
| | C) | 1196 m |
| | D) | 1206 m |
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| 6 | |
In a probability experiment a successful result was obtained 120 times out of 200. The experimental probability of success is: |
| | A) | 1/5 |
| | B) | 2/5 |
| | C) | 3/5 |
| | D) | 5/5 |
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| 7 | |
You draw a card randomly from a standard deck of cards. What is the theoretical probability that you draw a black face card (jack, queen, or king)? |
| | A) | 3/26 |
| | B) | 3/23 |
| | C) | 3/20 |
| | D) | 3/17 |
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| 8 | |
You flip a fair coin 200 times. Which of the following is the most likely number of tails which you will record? |
| | A) | 97 |
| | B) | 98 |
| | C) | 99 |
| | D) | 100 |
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| 9 | |
800 households at random were telephoned and asked what they were eating for dinner that night. The results are summarized below:
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If a household was chosen at random, what is the probability that they would not be eating pizza that evening? |
| | A) | 4/5 |
| | B) | 17/20 |
| | C) | 31/40 |
| | D) | 1/5 |
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| 10 | |
There is a 75% chance of rain on any given day of the year in the city of Mudville. Approximately how many rainy days would you expect in a year? |
| | A) | 280 |
| | B) | 274 |
| | C) | 272 |
| | D) | 268 |
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| 11 | |
A community centre wants to find out what kind of activities to offer for the summer. It mails out questionnaires to everyone who is currently enrolled in a program at the centre. Which of the following correctly identifies the population and sample in this case? |
| | A) | population: people currently enrolled in programs sample:
people who want to use the centre |
| | B) | population: the community
sample: people who want to use the centre |
| | C) | population: people who want to use the centre
sample: people currently enrolled in programs |
| | D) | population: people currently enrolled in programs sample: the community |
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| 12 | |
Monroe's student council wants to pick a theme for this year’s prom and decides to survey the student population. They set up a booth near the cafeteria and wait for people to come up to the booth to fill out a questionnaire. The kind of bias which is likely to occur here is: |
| | A) | Measurement bias. |
| | B) | Response bias. |
| | C) | Non-response bias. |
| | D) | No bias at all. |
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| 13 | |
Find the mean of the following data set:
19, 3, 11, 9, 15, 1, 7, 20, 5, 19 |
| | A) | 9 |
| | B) | 10 |
| | C) | 10.9 |
| | D) | 19 |
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| 14 | |
Find the standard deviation of the following data set:
19, 3, 11, 9, 15, 1, 7, 20, 5, 19 |
| | A) | 7.03 |
| | B) | 6.93 |
| | C) | 6.75 |
| | D) | 6.67 |
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| 15 | |
Find the interquartile range of the following data set:
19, 3, 11, 9, 15, 1, 7, 20, 5, 19 |
| | A) | 14 |
| | B) | 7.03 |
| | C) | 6.67 |
| | D) | 5 |
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