Intro Probability and Odds

When flipping a coin many times, the probability of flipping heads in the long-run approaches:

An event which is very likely to happen will have a probability closer to:

According to the Introduction to Probability video, random events such as flipping a coin are:

• predictable in the short run, but unpredictable in the long run

• unpredictable in the short run, but predictable in the long run

• predictable in both the short run and long run

• unpredictable in both the short run and long run

What are the odds in favor of randomly selecting a dime from a dish containing 11 pennies, 6 nickels, 5 dimes, and 3 quarters? 

• 4:1

• 1:4

• 1:5

• 5:1

The circle graph below shows the ages of students enrolled in the evening coding class offered at the local community college. One student will be randomly selected for a prestigious internship. What are the odds (within the age range : not in the age range) that the person selected would be in the age range of 18–22?

• 9:16

• 1:2

• 46:3

• 23:3

• 23:27

How many Powerball tickets would you need to buy to get 50% odds of winning $50,000 ?

• 500

• 4565

• 22,828

• 456,565

The probability of getting bonus points is 5:8. Find the odds in favor of getting bonus points.

• 5/3

• 5/13

• 3/5

• 8/13

The odds against a customer ordering dessert are 20:3. What is the probability of a customer ordering dessert?

• 3/20

• 20/23

• 3/23

• 20/3

Out of 10 balloons, two are small, five are medium, and three are large. Find the odds against a large balloons.

• 3:7

• 3:10

• 7:10

• 7:3

Out of 10 balloons, two are small, five are medium, and three are large. Find the odds in favor of a small balloon.

• 2:8

• 8:10

• 2:10

• 8:2