Ch4 PreTest

advertisement
Multiple Choice
Be sure your answer is in simplest form!
1) P5, 3
a) 15
b) 1/36
c) 60
d) 10
2) We are having a class raffle. Mr. Arnold sells raffle tickets to all 32 students in
class, and there is a drawing for the following prizes:
1st Prize:
A small paperclip
2nd Prize:
A blue dry-erase marker
3rd Prize:
A red overhead marker
How many different ways could the prizes be awarded?
a) 96
b) 29,760
c) 3/32
d) 4,960
3) You roll a die, what is the probability that you DON’T roll a 4?
a) 1/6
b) 4/6
c) 0
d) 5/6
4) You draw a single card from a standard deck. What is the probability that your
card is a black card and a two?
a) 30/52
b) 15/26
c) 2/52
d) 1/26
5) You draw a single card from a standard deck. What is the probability that your
card is a black card or a two?
a) 30/52
b) 15/26
c) 28/52
d) 7/13
6) You draw one card, look at it, and eat it. Then you draw a second card.
What is the probability that you get a king followed by an ace? P(King, Ace) =
a) 0
b) 4/663
c) 1/169
d) 2/13
7) You draw one card, look at it, and replace it & shuffle. Then you draw a second
card. What is the probability that you get a king followed by a queen?
P(King, Queen) =
a) 0
b) 4/663
c) 1/169
d) 2/13
8) You are playing a game that has a 4-section spinner and a 6-sided die. Each turn,
you spin and roll. How many different outcomes are possible for your turn?
a) 24
b) 10
c) 2
d) 2/3
9) You draw a card from a standard deck, look at it, replace it, and shuffle. If you
repeat this process 100 times, how many Aces do you expect to see?
a) 0.25
b) 7.7
c) 25
d) 8
10) You just flipped a coin 100 times and received 20 tails. According to your result,
what is the experimental probability of flipping a tail?
a) 1/5
b) 50/100
c) 4/5
d) 1/2
Download