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6. Jamshid and Mark roll two six-sided dice and use the product to determine who gets to use the computer first. Mark gets his turn if the product is even. Jamshid gets her turn if the product is odd. Who has the better chance of using the computer first? a. Jamshid c. both have an equal chance b. Mark d. not possible to predict 7. There are 120 flights expected to take off or land within one day at the planned Pickering airport. If 85% of the flights are expected to be on time, how many flights are unlikely to be on time? a. 18 b. 30 c. 85 d. 102 8. The expression "50-50 chance" means a probability of a. 1/50 b. 50% c. 50/50 d. none of the above 9. The probability of Joan being elected to the students' council is 60%. If 1280 students vote for the students' council, how many are expected to vote for Joan? a. 21 b. 213 c. 512 d. 768 10. A bank finds that 32% of its loans to new small businesses become delinquent. If 500 of these small businesses are selected at random, how many are likely to have delinquent loans? a. 32 b. 80 c. 160 d. 320 11. Traffic counters checking a particular intersection find that of the 6854 private vehicles using the intersection, 5620 have only one person in them. What percentage of the vehicles using that intersection have only one person in them? a. 12% b. 22% c. 60% d. 82% 12. Four students are running for student council president. Of 30 students polled, 13 chose Mike, 3 chose Patricia, 7 chose Brian, and 7 chose Karen. What is the probability, as a percent, of a girl winning the student council president position? a. 10% b. 30% c. 33% d. 39% 13. Rick is able to stop 90% of the shots on goal. If he faces 31 shots on goal, how many goals are likely to be scored on him? a. 3 b. 6 c. 9 d. 10 14. A school runs a lucky 7 lottery for fundraising. Each ticket has 3 numbers from 1 to 7. If you buy 1 ticket, what is the probability that you have the winning ticket? a) 1/343 b) 1/49 c) 1/7 d) 3/7 Predictions based on a sample taken from a normally distributed population are more accurate when a. the sample size is small. b. the sample size is large. c. the sample is taken from only one geographical part of the area. d. the sample population is all the same age.

6. Jamshid and Mark roll two six-sided dice and use the product to determine who gets to use the computer first. Mark gets his turn if the product is even. Jamshid gets her turn if the product is odd. Who has the better chance of using the computer first?
a. Jamshid c. both have an equal chance b. Mark d. not possible to predict
7. There are 120 flights expected to take off or land within one day at the planned Pickering airport. If 85% of the flights are expected to be on time, how many flights are unlikely to be on time?
a. 18 b. 30 c. 85 d. 102
8. The expression "50-50 chance" means a probability of
a. 1/50 b. 50% c. 50/50 d. none of the above
9. The probability of Joan being elected to the students' council is 60%. If 1280 students vote for the students' council, how many are expected to vote for Joan?
a. 21 b. 213 c. 512 d. 768
10. A bank finds that 32% of its loans to new small businesses become delinquent. If 500 of these small businesses are selected at random, how many are likely to have delinquent loans?
a. 32 b. 80 c. 160 d. 320
11. Traffic counters checking a particular intersection find that of the 6854 private vehicles using the intersection, 5620 have only one person in them. What percentage of the vehicles using that intersection have only one person in them?
a. 12% b. 22% c. 60% d. 82%
12. Four students are running for student council president. Of 30 students polled, 13 chose Mike, 3 chose Patricia, 7 chose Brian, and 7 chose Karen. What is the probability, as a percent, of a girl winning the student council president position?
a. 10% b. 30% c. 33% d. 39%
13. Rick is able to stop 90% of the shots on goal. If he faces 31 shots on goal, how many goals are likely to be scored on him?
a. 3 b. 6 c. 9 d. 10
14. A school runs a lucky 7 lottery for fundraising. Each ticket has 3 numbers from 1 to 7. If you buy 1 ticket, what is the probability that you have the winning ticket?
a) 1/343 b) 1/49 c) 1/7 d) 3/7
Predictions based on a sample taken from a normally distributed population are more accurate when
a. the sample size is small.
b. the sample size is large.
c. the sample is taken from only one geographical part of the area.
d. the sample population is all the same age.

Added by Allison W.

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