Theoretical and Experimental Probability

1
Theoretical and Experimental Probability
COURSE 3 LESSON 11-4
Find the probability of not rolling a 1 or a 2
with a number cube.
11-4
2
Theoretical and Experimental Probability
COURSE 3 LESSON 11-4
Suppose you select a pen at random from 3 red
ones and 4 blue ones. What are the odds in favor
of selecting a red pen?
Since 3 pens are red and 4 are blue, the odds of
selecting a red pen at random are 3 4.
11-4
3
Theoretical and Experimental Probability
COURSE 3 LESSON 11-4
Use this information to solve the problems You
toss two nickels 50 times, and you get one head
and one tail 38 times.

• 1. Find the experimental probability of getting
  one head and one tail.
• 2. Find the probability of getting two heads or
  two tails.
• 3. What are the odds in favor of getting exactly
  one head and one tail?

76
24
38 12 or 19 6
11-4