Post on 31-Mar-2015
transcript
1A) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble?
A. C.
B. D.
114
101
111
43
1B) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a black marble?
116
Answer: The probability of drawing a black marble is
TRUE FALSEor
1C) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a green marble?
A. C.
B. D.
101
1110
111
74
1D) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble or a black marble?
A. C.
B. D.
1110
101
102
112
1E) A bag contains 4 white marbles, 6 black marbles, and 1 green marble. What is the probability of drawing a white marble or a green marble?
A. C.
B. D.
104
115
111
51
2A) A deck of cards contains 52 cards, 13 from each suit. If a card is flipped over, what is the probability that it is a spade?
131
Answer: The probability of a spade being flipped is
True or False
A. C.
B. D.
529
2B) A deck of cards contains 52 cards, 13 from each suit. If a card is flipped over, what is the probability that it is a face card (Jack, Queen, Or King) of any suit?
1312
123
133
3) A fair, six-sided die is tossed. What is the probability the first 5 occurs on the fourth roll? (Enter answer as a reduced fraction)
125/1296
4) You and a friend are going to flip a fair coin 10 times. Let H be the event that a flip lands with heads showing, and let T be the event that a flip lands with tails showing. Because the coin is fair, assume Pr(H) = Pr(T) = 0.5.
You flip HTHHTHTTTH Your friend flips HHHHHHHTTT
Which sequence is more likely to occur?
A. Your Flip C. Your Friend’s Flip
B. The Same D. None of the Above
5A) What is the chance that the first card will be a heart and a Jack?
Answer: The probability of the first card being a heart and
a jack is TRUE or FALSE522
5B) What is the chance that the first card will be a heart or a Jack?
A. C.
B. D.
134
132
5212
5217
5C) Given that the first card is a heart, what is the chance that it will be a Jack? (Enter the answer as a reduced fraction)
1/13
5D) Given that the first card is a Jack, what is the chance that it will be a heart?
A. C.
B. D.
141
41
131
521
6.) At a picnic, Missy reaches into an ice-filled cooler containing 8 regular soft drinks and 5 diet soft drinks. She removes a can, then decides she is not really thirsty, and puts it back. What is the probability that Missy and the next person to reach into the cooler both randomly select a regular soft drink?
64/169
6B.) A number cube with sides labeled 1 through 6 is rolled two times, and the sum of the numbers that end face up is calculated. What is the probability that the sum of the numbers is 3?
A. 1/18
B. 1/12
C. 1/9
D. 1/2
7.) In a board game, three dice are rolled to determine the number of moves for the players. What is the probability that the first die shows a 6, the second die shows a 6, and the third die does not?
A. 1/6 C. 5/216
B. 81/256 D. 81/256
8.) The host of a game show is drawing chips from a bag to determine the prizes for which contestants will play. Of the 10 chips in the bag, 6 show television, 3 show vacation, and 1 shows car. If the host draws the chips at random and does not replace them, find the probability that he draws a vacation, then a car.
1/30
9.) Adam scores well enough at a carnival game that he gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing two purple T-shirts?
5/57
10.) Evan scores well enough at a carnival game that he gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing two celebrity T-shirts?
10/171
11.) Monica scores well enough at a carnival game that she gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing a yellow, then a purple?
8/57
12.) Mal scores well enough at a carnival game that she gets to randomly draw two prizes out of a prize bag. There are 6 purple T-shirts, 8 yellow T-shirts, and 5 T-shirts with a picture of a celebrity on them. What is the probability of choosing a celebrity, then a yellow?
20/171