Basic Probability

There are 5 white buttons and 3 orange buttons in a bag. One button is selected at random. What is the probability of NOT selecting a white button?

• 5 white buttons
• 3 orange buttons

Choose the best answer.

• 3/8
• 8/3
• 37.5%
• 3/7
• 5/8

There are 10 red buttons and 9 yellow buttons in a bag. One button is selected at random. What is the probability of NOT selecting a yellow button?

• 10 red buttons
• 9 yellow buttons

Choose the best answer.

• 19/10
• 5/9
• 52.6%
• 9/19
• 10/19

There are 6 blue stickers and 6 black stickers in a bag. One sticker is selected at random. What is the probability of NOT selecting a blue sticker?

• 6 blue stickers
• 6 black stickers

Choose the best answer.

• 6/11
• 50%
• 1/2
• 2

There are 11 orange buttons and 6 blue buttons in a bag. One button is selected at random. What is the probability of NOT selecting a blue button?

• 11 orange buttons
• 6 blue buttons

Choose the best answer.

• 11/17
• 6/17
• 11/16
• 17/11
• 64.7%

There are 4 yellow beads and 6 orange beads in a bag. One bead is selected at random. What is the probability of NOT selecting a orange bead?

• 4 yellow beads
• 6 orange beads

Choose the best answer.

• 2/5
• 5/2
• 4/9
• 40%
• 3/5

There are 8 red beads and 4 yellow beads in a bag. One bead is selected at random. What is the probability of NOT selecting a yellow bead?

• 8 red beads
• 4 yellow beads

Choose the best answer.

• 2/3
• 66.7%
• 3/2
• 8/11
• 1/3

There are 3 white cards and 10 purple cards in a bag. One card is selected at random. What is the probability of NOT selecting a white card?

• 3 white cards
• 10 purple cards

Choose the best answer.

• 13/10
• 76.9%
• 5/6
• 3/13
• 10/13

There are 10 yellow stickers and 9 black stickers in a bag. One sticker is selected at random. What is the probability of NOT selecting a black sticker?

• 10 yellow stickers
• 9 black stickers

Choose the best answer.

• 5/9
• 52.6%
• 9/19
• 19/10
• 10/19

There are 9 yellow buttons and 8 red buttons in a bag. One button is selected at random. What is the probability of NOT selecting a red button?

• 9 yellow buttons
• 8 red buttons

Choose the best answer.

• 9/16
• 9/17
• 8/17
• 52.9%
• 17/9

There are 12 yellow tokens and 7 green tokens in a bag. One token is selected at random. What is the probability of NOT selecting a green token?

• 12 yellow tokens
• 7 green tokens

Choose the best answer.

• 12/19
• 63.2%
• 7/19
• 2/3
• 19/12

There are 12 orange tiles and 2 yellow tiles in a bag. One tile is selected at random. What is the probability of NOT selecting a yellow tile?

• 12 orange tiles
• 2 yellow tiles

Choose the best answer.

• 7/6
• 12/13
• 1/7
• 6/7
• 85.7%

There are 7 purple beads and 6 green beads in a bag. One bead is selected at random. What is the probability of NOT selecting a purple bead?

• 7 purple beads
• 6 green beads

Choose the best answer.

• 1/2
• 13/6
• 46.2%
• 7/13
• 6/13

There are 11 orange tokens and 5 white tokens in a bag. One token is selected at random. What is the probability of NOT selecting a white token?

• 11 orange tokens
• 5 white tokens

Choose the best answer.

• 11/16
• 68.8%
• 16/11
• 11/15
• 5/16

There are 10 yellow buttons and 6 blue buttons in a bag. One button is selected at random. What is the probability of NOT selecting a blue button?

• 10 yellow buttons
• 6 blue buttons

Choose the best answer.

• 2/3
• 8/5
• 62.5%
• 3/8
• 5/8

There are 9 orange marbles and 4 green marbles in a bag. One marble is selected at random. What is the probability of NOT selecting a green marble?

• 9 orange marbles
• 4 green marbles

Choose the best answer.

• 3/4
• 69.2%
• 13/9
• 9/13
• 4/13

There are 3 green beads and 10 purple beads in a bag. One bead is selected at random. What is the probability of NOT selecting a green bead?

• 3 green beads
• 10 purple beads

Choose the best answer.

• 13/10
• 3/13
• 76.9%
• 10/13
• 5/6

There are 10 orange counters and 4 blue counters in a bag. One counter is selected at random. What is the probability of NOT selecting a orange counter?

• 10 orange counters
• 4 blue counters

Choose the best answer.

• 7/2
• 2/7
• 5/7
• 28.6%
• 4/13

There are 3 purple buttons and 6 red buttons in a bag. One button is selected at random. What is the probability of NOT selecting a red button?

• 3 purple buttons
• 6 red buttons

Choose the best answer.

• 3/8
• 1/3
• 2/3
• 3
• 33.3%

There are 9 black stickers and 6 green stickers in a bag. One sticker is selected at random. What is the probability of NOT selecting a green sticker?

• 9 black stickers
• 6 green stickers

Choose the best answer.

• 5/3
• 60%
• 2/5
• 3/5
• 9/14

There are 10 white marbles and 3 orange marbles in a bag. One marble is selected at random. What is the probability of NOT selecting a white marble?

• 10 white marbles
• 3 orange marbles

Choose the best answer.

• 10/13
• 1/4
• 3/13
• 13/3
• 23.1%