Probability of drawing a 2 (as a percentage, 1 d.p.)
7.7%
the probability of rolling a 2 (give answer as a fraction)
1/6
If an outcome is certain, its probability is ...
1
Mr. Barker found the probability of drawing a spade to be 1/5 or 20%. Did he find the theoretical or experimental probability?
Experimental Probability
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red?
1/4 or 25%
Probability of drawing the Queen of Hearts?
1/52
Probability of an even number or a 1
(give as a percent)
67%
Events that have no influence on each other
Independent
Probability of flipping heads twice in a row (as a fraction)
1/4
You have a bag of marbles, four red and five green. What is the probability of choosing red?
(4/9) or 44%
Probability of drawing a 2,3 or 4 (as a fraction)
3/13
Probability of rolling an 8 on a single die
0
The ratio of actual outcomes to the total number of possible outcomes in repeated trials
Experimental Probability
What is the theoretical probability of landing on green or blue?
1/2 or 50%
Given a 4 color spinner with equal parts (red, blue, yellow, green), the probability of spinning red then blue (as a fraction)
1/16
Probability of pulling any 4 OR a heart (as a fraction)
4/13
probability of rolling a 5, then a 2 (as a fraction)
1/36
What word describes considering the contents of 2 sets as one bigger set?
Union
What is the experimental probability of landing on green or blue?
3/8 or 38%
the theoretical probability of rolling a one THEN picking a red card out of a deck of cards
1/12 or 8%
1/6 * 1/2 (half of cards are red so 1/2)
the probability of flipping a coin to heads, then rolling a 3 on a die (as a fraction)
1/12
the probability of rolling a six then a number less than 3 (as a fraction)
1/18
the ratio of the number of ways an event can occur to the total number of equally likely outcomes
Theoretical probability
What is the theoretical probability of not landing on green?
3/4 or 75%
What is the theoretical probability of picking a purple marble?
2/11 or 18%
Probability of not an ace (as a percent)
92%
When rolling two dice, the probability that the sum is NOT 12. (as a fraction)
35/36
After repeated trials the experimental probability should get _________ to the theoretical probability
closer
What is the experimental probability of not landing on green?
17/20 or 85%
What is the probability of landing on a green, then pulling a red marble, then spinning not orange?
5/44 or 11%