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- 1. Fill in the Blank
. What is the probability that a student has a brother given that they do not have a sister?
*Write your answer as a fraction*
- 2. Fill in the Blank
What is the probability that a student plays a sport given that they play an instrument?
*Write your answer as a fraction*
- 3. Fill in the Blank
What is the probability that a student plays a sport or that they play an instrument?
*Write your answer as a fraction*
- 4. Multiple Choice
P(A∣B)=
P(A⋂B)/P(A)
P(A⋂B)/P(B)
P(A⋃B)/P(A)
P(A⋃B)/P(B)
- 5. Multiple ChoiceP(Sandals|Pants):4/206/151/22/7
- 6. Multiple ChoiceWhat is P(not sport | Foreign language)?23/3714/2314/373/23
- 7. Multiple ChoiceWhat is P(Foreign language | Sport)?14/277/1223/4737/47
- 8. Multiple Choice
What is P(Ace given hearts)?
*convert your fraction to a percentage*
1.9%
7.7%
25%
6.3%
- 9. Multiple Choice
What is the probability of pulling an even number, given hearts and diamonds?
5/13
26/52
1/2
10/20
- 10. Multiple Choice
What is the probability of pulling a King, given spades?
1/13
1/4
1/52
4/52
- 11. Multiple Choice
A number is selected, at random, from the set {1, 2, 3, 4, 5, 6, 7, 8}.
Find P(odd given less than 7).
1/2
3/8
4/7
1/4
- 12. Multiple Choice
A box contains 3 blue marbles, 5 red marbles, and 4 white marbles. Find P(blue given not white).
3/8
1/4
5/12
5/8
- 13. Multiple Choice
A dice is tossed.
Find P(less than 5 | even number).
2/3
3/6
1/2
1/3
- 14. Multiple Choice
A dice is tossed.
Find P(2 | number greater than 3).
0
1/3
1/6
uhhh...
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