Probability of pulling a (2)= ?
Hint: There are 52 cards in a deck with four of each number because there are four suits (diamonds, hearts, clubs, and spades)
1/13 or 19%
What is the probability of rolling snake eyes?
(two one's)
1/36 or 3%
What should happen in theory or what you think will happen in an experiment
Theoretical Probability
Drawing a 10 from a deck of cards.
4/52 so 1/13
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 to pull the Queen of Hearts?
1/52 or 2%
P(an even number or a 1)
2/3 or 67%
What actually occurs in the experiment.
Experimental Probability
When rolling one die...
P(3)= ?
1/6 or 17%
Ty flips a coin 100 times and records how often he flips tails. His experimental probability needs to match his theoretical probability of 1/2. True or False. Choose the most likely answer.
False, experimental probability might not match theoretical probability.
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning purple?
0
Probability of pulling a 4 OR a 7?
2/13 or 15%
Probability of rolling a 3, 5, or 0?
1/3 or 33%
The three ways probability can be written.
Fractions, decimals, or percents
When flipping 2 coins
P(both coins are heads)=
1/4 or 25%
What is the theoretical probability of landing on green or blue?
1/2 or 50%
You have a bag of marbles, four red and five green. What is the probability of choosing red?
(4/9) or 44%
P(Diamond)
13/52 or 25%
What is the probability of rolling a six then a number less than 3?
1/18 or 6%
The probability of more than one event occurring -
ex: P(A then B)
Compound Probability
What is the theoretical probability of choosing an R from the word PROBABILITY
0
What is the experimental probability of landing on green or blue?
3/8 or 38%
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red then blue?
1/16 or 6%
Probability of drawing a card with a 2,3 or 4 on it?
3/13 or 23%
P(not a sum of 12)= ?
35/36 or 97%
Drawing or set of all possible outcomes
Sample space
What is the theoretical probability of picking a purple marble?
2/11 or 18%
What is the theoretical probability of not landing on green?
3/4 or 75%
What is this asking? (Don't do any calculations).
P(Queen of Hearts, Queen of Spades)
What's the probability you draw the Queen of Hearts and then the Queen of Spades.
Probability (not an ace)= ?
12/13 or 92%
P(Sum of two rolls is 4)
1/12 or 8 1/3 %
because 1+3, 3+1, 2+2
3/36
A certain desired outcome
Event
What is the probability of landing on a green, then pulling a red marble, then spinning not orange?
15/176 or 9%
What is the experimental probability of not landing on green?
17/20 or 85%
What is 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)