12/20 3.1 basic concepts of probability

What is the sample space for rolling a fair six-sided die?

• Monday, Tuesday, Wednesday, Thursday, Friday, Saturday

• Red, Blue, Green, Yellow, Orange, Purple

• A, B, C, D, E, F

• 1, 2, 3, 4, 5, 6

How many different 3-letter words can be formed using the letters A, B, and C without repetition?

• 9

• 12

• 3

• 6

In how many ways can a committee of 4 people be chosen from a group of 10?

• 24

• 45

• 78

• 210

If a bag contains 4 red, 3 blue, and 5 green marbles, what is the probability of drawing a blue marble?

• 3/12

• 5/12

• 2/12

• 1/12

If a fair six-sided die is rolled, what is the probability of rolling an even number?

• 2/3

• 1/3

• 1/2

• 1/4

If a standard deck of 52 playing cards is shuffled and one card is drawn, what is the probability of drawing a heart?

• 1/13

• 1/52

• 1/4

• 1/26

What is the complement of the event of rolling a 1 on a fair six-sided die?

• Rolling a 1

• Rolling a 7

• Rolling a 0

• Rolling any number other than 1

What is the complement of the event of drawing a spade from a standard deck of 52 playing cards?

• Drawing a heart from a standard deck of 52 playing cards

• Drawing a diamond from a standard deck of 52 playing cards

• Drawing a face card from a standard deck of 52 playing cards

• Drawing a non-spade card from a standard deck of 52 playing cards

What is the complement of the event of choosing a red marble from a bag containing 4 red, 3 blue, and 5 green marbles?

• Choosing a non-red marble

• Choosing a green marble

• Choosing a blue marble

• Choosing a yellow marble

Probability can be expressed as a number between_____ and _____.

• 0 and 100
• 0 and 10
• 0 and 1
• -1 and 1