Probability of Simple Events Complements

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

Cindy owns 7 t-shirts, 2 of which are gray. If Cindy randomly selects a t-shirt to wear, what is the probability it will be gray?

• 2/7

• 5/7

• 7/7

• 1/7

You pick a card at random.

What is P(5)?

• 3/1

• 3/4

• 1/4

• 1

You roll a 6-sided die.

What is P(3)?

• 1/6

• 1/3

• 3/6

• 6

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

There are 15 pieces of fruit in a basket, including 3 oranges. What is the probability that a randomly selected piece of fruit will be an orange?

• 1/5

• 3/5

• 5/15

• 3/10

What is the probability of the spinner shown landing on a number greater than 2 but less than 7?

• 1/4

• 3/8

• 1/2

• 1/8

You spin the spinner 1 time.

What is P(7)?

• 1%

• 50%

• 20%

• 25%

What is P(5)?

• 1/4

• 3/4

• 4/3

• 4

You flip a coin.

What is P(tails)?

• 50%

• 1%

• 25%

• 100%