Intro Probability and Odds

What is the probability of the arrow stopping on “J” or “A” on one spin?

• 5/6

• 1/36

• 1/3

• 1/6

The theoretical probability of rolling an even number on a dice.

• 3/6

• 1/2

• 1/6

• 5/6

The chance of rain today is 70%. What is the chance it does not rain?

• 70%

• 30%

• 100%

• 50%

The letters that form the word MATHEMATICS are placed in a bowl. What are the odds against choosing an “A”? 

• 9:2

• 2:9

• 9:11

• 11:9

A set of all possible outcomes is known as - 

• a list

• a complement

• a sample space

• an event

What is the probability of selecting an orange candy?

• 0%

• 25%

• 50%

• 100%

The odds of an event happening are 3:8. What are the odds it does not happen?

• 8:3

• 3:11

• 11:3

• 8:11

When a coin is flipped, what is the probability of heads?

• 1

• 1/2

• 1/4

• 1/100

The probability of the box having a toy is 6/13. What are the odds against the box having a toy?

• 7:13

• 6:7

• 7:6

• 13:6

What is the probability of spinning green?

• 0

• 1/4

• 1/2

• 3/4