What is theoretical probability?
A prediction
You spin a spinner that has 12 equal-sized sections numbered 1 to 12. What is the probability that you spin a 3 or a 5?
P(3 or 5) = 1/6
What is experimental probability?
The results
Can the words OR/AND be used in simple probability problem? Why or why not?
No, because the words OR/AND indicate a compound problem, not a simple probability problem.
What is the probability of spinning a 2 on a spinner labeled 1-5?
1/5
Susie had four kinds of cookies. She had 4 chocolate chip, 6 sugar cookies, 5 oatmeal cookies, and 3 Oreos. She, Susie, wants one of the Oreos and 3 of the chocolate chips. What is the probability that she will pick these cookies
P(Oreo, then chocolate chip) = 1/102
What is an independent event?
Something that happens regardless of the events around it
What words are used to describe probability?
A jar contains 100 marbles, identical except that 30 are red, 20 black, 5 green and the rest white. If a marble is taken from the jar at random, what is the probability that the marble is white?
A jar contains 3 caramels, 7 mints, and 4 dark chocolates. What is the probability of selecting a dark chocolate or a caramel?