4.4 Conditional Probability
8 Questions
| Attempts: 696
Questions and Answers
- 1.
A class is surveyed to determine whether they prefer hockey or basketball. The table below shows the results. Given that a student is female, what is the probability that hockey is preferred? GenderHockeyBasketballMale135Female89
- A.
8/9
- B.
8/21
- C.
21/35
- D.
8/17
Correct Answer
D. 8/17 -
- 2.
A class is surveyed to determine whether they prefer hockey or basketball. The table below shows the results. Given that a student likes hockey, what is the probability they are male? GenderHockeyBasketbalMale135Female89
- A.
13/21
- B.
8/21
- C.
13/18
- D.
13/8
Correct Answer
A. 13/21 -
- 3.
A class is surveyed to determine whether they prefer hockey or basketball. The table below shows the results. Determine P(basketball | male) GenderHockeyBasketballMale135Female89
- A.
5/14
- B.
1/7
- C.
5/13
- D.
5/18
Correct Answer
D. 5/18 -
- 4.
A bag contains 3 nickels, 5 dimes, and 6 quarters. If a nickel is taken out and not replaced, state the probability that the next coin drawn will be a dime.
- A.
5/14
- B.
6/13
- C.
3/7
- D.
5/13
Correct Answer
D. 5/13 -
- 5.
From a survey of 500 drivers, 200 drive cars, 120 drive SUVs, 60 drive minivans, and the rest drive trucks. Determine P(truck driver | not a car driver).
- A.
3/5
- B.
2/5
- C.
6/25
- D.
None of the above
Correct Answer
B. 2/5 -
- 6.
Out of a group of 100 people, 63 are adults and 37 are children. Of the adults, 31 have brown eyes and of the children, 29 have brown eyes. If a person is selected at random, determine the probability of that person being a child if the colour of eyes is known to be brown.
- A.
37/100
- B.
29/100
- C.
29/60
- D.
29/37
Correct Answer
C. 29/60 -
- 7.
Determine the probability of drawing a face card and then an ace from a regular deck of cards if the face card is not returned.
- A.
4/221
- B.
3/169
- C.
3/52
- D.
4/13
Correct Answer
A. 4/221 -
- 8.
The probability of Crosby scoring next game is 0.3, the probability of him not scoring the game after he scores a goal is 0.6. Determine the probability that he scores a goal in both of the next two games.
- A.
0.18
- B.
0.12
- C.
0.28
- D.
0.42
Correct Answer
B. 0.12 -
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May 15, 2017Quiz Edited by
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Jan 23, 2014Quiz Created by
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