Find the probability that all flips will land on tails.
1/2
1/4
1/6
1/8
2. Multiple Choice
2 minutes
1 pt
You pick a marble from this bag. What is the probability you will choose either a black or white marble?
3/5
9/100
1/10
2/5
3. Multiple Choice
15 minutes
1 pt
The probability of it raining today is 30%. What is the probability that it will NOT rain?
30%
70%
100%
0%
4. Multiple Choice
15 minutes
10 pts
Probability can be written as ...
a fraction
a decimal
a percent
all of the above
5. Multiple Choice
2 minutes
1 pt
What is the probability of spinning green or blue?
0
5/12
1/2
3/4
6. Multiple Choice
1 minute
1 pt
If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?
13/52
26/52
39/52
Not possible
7. Multiple Choice
1 minute
1 pt
If you roll one die, what is the probability of getting an even number or a multiple of 3?
1/3
2/3
1/2
1/6
8. Multiple Choice
1 minute
1 pt
A bag contains 9 green marbles, 5 yellow marbles and 6 red marbles. You choose one marble. What is the probability of selecting a green or red marble?
8/15
6/11
3/4
2/3
9. Multiple Choice
2 minutes
1 pt
The probability that a randomly chosen American is a Republican is 0.35. What is the probability that in a sample of 10 Americans, that at least 1 will be a Republican?
a) 0.9865
b) 0.2275
c) 0.0725
d) 0.0135
10. Multiple Choice
2 minutes
1 pt
If I toss a fair coin five times and the outcomes are TTTTT, then the probability that tails appears on the next toss is
0.5.
less than 0.5.
greater than 0.5.
0.
11. Multiple Choice
30 seconds
1 pt
Dice have six faces, showing 1 to 6 pips (spots). If a die is balanced, all six faces are equally likely. What must be the probability of each face?
1/10, or 0.10.
1/6, or 0.167.
2/10, or 0.20.
could be any number between 0 and 1.
12. Multiple Choice
30 seconds
1 pt
If a coin has 0.6 probability coming up tails, the probability that it comes up heads is
0.5
-0.2
0.4
0.6
13. Multiple Choice
30 seconds
1 pt
The probability of choosing a king or a black card in a standard deck of cards.
Mutually Exclusive
Non Mutually Exclusive
14. Multiple Choice
5 minutes
1 pt
Randy has 4 pennies, 3 nickels, and 3 dimes in his pocket. If he randomly chooses 2 coins without replacement, what is the probability they are both dimes.
1/15
2/27
3/19
4/21
15. Multiple Choice
5 minutes
1 pt
Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles. What is the probability that Ricardo spins red on the spinnerandpicks a red marble out of the bag?
1 ⁄ 16
1 ⁄ 2
1 ⁄ 4
1 ⁄ 8
16. Multiple Choice
2 minutes
1 pt
In a standard deck of 52 cards, what is the probability of drawing one ace after another ace on two draws (no replacing)?