Odds and Probability Concepts

The video tutorial explains the probability of event A occurring, which is 0.76 or 76%. It then discusses the complement probability of event A not occurring, calculated as 1 - 0.76 = 0.24 or 24%. The tutorial further explores the odds in favor of event A, calculated as a ratio of favorable to unfavorable outcomes, simplified to 19:6. It also demonstrates how to simplify this ratio using a TI-84 calculator. Finally, the odds against event A are explained as the inverse ratio, 6:19.

What is the probability of event A occurring expressed as a percentage?

• 0.76%

• 67%

• 76%

• 7.6%

How do you calculate the probability of event A not occurring?

• Multiply 0.76 by 1

• Divide 0.76 by 1

• Subtract 0.76 from 1

• Add 0.76 to 1

What is the probability of event A not occurring in decimal form?

• 0.14

• 0.34

• 0.76

• 0.24

What does a probability of 0.76 indicate about the number of favorable outcomes?

• 24 favorable outcomes out of 100

• 24 unfavorable outcomes out of 100

• 76 favorable outcomes out of 100

• 76 unfavorable outcomes out of 100

How do you express the odds in favor of event A?

• 19 to 6

• 24 to 76

• 76 to 24

• 6 to 19

What is the greatest common factor used to simplify the odds ratio of 76 to 24?

• 2

• 3

• 4

• 5

How can you simplify the odds ratio using a calculator?

• Enter 76 divided by 24, then press math enter enter

• Enter 24 divided by 76, then press math enter enter

• Enter 76 multiplied by 24, then press math enter enter

• Enter 24 multiplied by 76, then press math enter enter

What are the odds against event A?

• 6 to 19

• 19 to 6

• 76 to 24

• 24 to 76

How do you calculate the odds against event A?

• Difference between favorable and unfavorable outcomes

• Ratio of favorable to unfavorable outcomes

• Sum of favorable and unfavorable outcomes

• Ratio of unfavorable to favorable outcomes

If the odds in favor of event A are 19 to 6, what are the odds against it?

• 76 to 24

• 24 to 76

• 19 to 6

• 6 to 19