Theoretic Probability of Simple Events

You roll a 6-sided die.

What is P(1)?

• 1/6

• 2/5

• 1/9

• 2/3

A spinner has 10 equal sections, of which 4 are orange. If you spin the spinner once, what is the probability that it will land on an orange?

• 2/5

• 1/5

• 1/10

• 5/2

Of the people attending a seminar, 3 have gray hair and 30 do not. What is the probability that a randomly selected person will have gray hair?

• 1/11

• 30/3

• 5/30

• 3/5

Perry's Bagel Shop has a variety of bagels for sale:

Pumpernickel Bagels: 56
Onion Bagels: 10
Whole Wheat Bagels: 9

What is the probability that a randomly selected bagel will be an onion bagel?

• 2/15

• 10/56

• 15/2

• 56/10

A bakery has 14 desserts for sale, including 6 pieces of pie. What is the probability that a randomly selected dessert will be a piece of pie?

• 3/7

• 14/6

• 1/4

• 1/3

There are 18 dogs at the dog park on a busy Saturday. 4 of them are Yorkshire terriers. What is the probability that a randomly selected dog is a Yorkshire terrier?

• 2/9

• 9/2

• 1/4

• 1/5

A dartboard has 10 equal sections, of which 5 are blue.

What is the probability that a dart will land in a blue section?

• 1/2

• 1/3

• 1/5

• 1/10

Muffin Extravaganza has 34 muffins for sale, including 10 blackberry muffins.

What is the probability that a randomly selected muffin will be a blackberry muffin?

• 5/17

• 1/34

• 10/34

• 17/34

Earl Darenz is asked to choose a day from a week. What is the probability of choosing a day which starts with S.

• 1/7

• 2/7

• 2/3

• 1/3

If a letter is chosen randomly from the word PERSEVERANCE, what is the probability that the letter chosen is E.

• 1/7

• 1/4

• 1/5

• 1/3