Probability & Statistics

There are 7 yellow counters and 3 red counters in a bag. One counter is selected at random. What is the probability of NOT selecting a yellow counter?

• 7 yellow counters
• 3 red counters

Choose the best answer.

• 3/10
• 7/10
• 10/3
• 30%
• 1/3

There are 9 black counters and 9 red counters in a bag. One counter is selected at random. What is the probability of NOT selecting a black counter?

• 9 black counters
• 9 red counters

Choose the best answer.

• 1/2
• 50%
• 9/17
• 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