Subject

Probability & Statistics

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Quizzes in Probability & Statistics

A box contains 4 orange beads, 5 black beads, and 7 green beads. If one bead is chosen without looking, what is the probability that it is green?

  • 4 orange beads
  • 5 black beads
  • 7 green beads

Choose the best answer.

  • 7/16
  • 5/16
  • 7/15
  • 9/16
  • 1/4
Correct answer(s):
  • 7/16

A box contains 9 red beads, 4 purple beads, and 1 white beads. If one bead is chosen without looking, what is the probability that it is white?

  • 9 red beads
  • 4 purple beads
  • 1 white beads

Choose the best answer.

  • 9/14
  • 1/13
  • 2/7
  • 13/14
  • 1/14
Correct answer(s):
  • 1/14

A box contains 5 red tokens, 8 green tokens, and 6 orange tokens. If one token is chosen without looking, what is the probability that it is green?

  • 5 red tokens
  • 8 green tokens
  • 6 orange tokens

Choose the best answer.

  • 4/9
  • 8/19
  • 11/19
  • 5/19
Correct answer(s):
  • 8/19

A box contains 5 orange tiles, 2 red tiles, and 2 white tiles. If one tile is chosen without looking, what is the probability that it is red?

  • 5 orange tiles
  • 2 red tiles
  • 2 white tiles

Choose the best answer.

  • 5/9
  • 2/9
  • 7/9
  • 1/4
Correct answer(s):
  • 2/9

There are 4 green stickers and 6 black stickers in a bag. One sticker is selected at random. What is the probability of NOT selecting a black sticker?

  • 4 green stickers
  • 6 black stickers

Choose the best answer.

  • 5/2
  • 40%
  • 4/9
  • 3/5
  • 2/5
Correct answer(s):
  • 2/5

A box contains 4 yellow beads, 6 green beads, and 8 purple beads. If one bead is chosen without looking, what is the probability that it is green?

  • 4 yellow beads
  • 6 green beads
  • 8 purple beads

Choose the best answer.

  • 6/17
  • 2/9
  • 2/3
  • 6/18
  • 1/3
Correct answer(s):
  • 1/3

There are 3 yellow tiles and 2 blue tiles in a bag. One tile is selected at random. What is the probability of NOT selecting a yellow tile?

  • 3 yellow tiles
  • 2 blue tiles

Choose the best answer.

  • 5/2
  • 1/2
  • 3/5
  • 2/5
  • 40%
Correct answer(s):
  • 2/5

A box contains 4 yellow counters, 7 white counters, and 2 green counters. If one counter is chosen without looking, what is the probability that it is yellow?

  • 4 yellow counters
  • 7 white counters
  • 2 green counters

Choose the best answer.

  • 7/13
  • 4/13
  • 9/13
  • 1/3
Correct answer(s):
  • 4/13

There are 9 orange tiles and 5 yellow tiles in a bag. One tile is selected at random. What is the probability of NOT selecting a orange tile?

  • 9 orange tiles
  • 5 yellow tiles

Choose the best answer.

  • 5/13
  • 35.7%
  • 9/14
  • 14/5
  • 5/14
Correct answer(s):
  • 5/14

A box contains 2 white stickers, 6 purple stickers, and 2 black stickers. If one sticker is chosen without looking, what is the probability that it is white?

  • 2 white stickers
  • 6 purple stickers
  • 2 black stickers

Choose the best answer.

  • 4/5
  • 2/10
  • 3/5
  • 1/5
  • 2/9
Correct answer(s):
  • 1/5

There are 11 purple buttons and 5 red buttons in a bag. One button is selected at random. What is the probability of NOT selecting a purple button?

  • 11 purple buttons
  • 5 red buttons

Choose the best answer.

  • 5/16
  • 1/3
  • 16/5
  • 11/16
  • 31.2%
Correct answer(s):
  • 5/16

A box contains 7 white cards, 5 purple cards, and 5 blue cards. If one card is chosen without looking, what is the probability that it is blue?

  • 7 white cards
  • 5 purple cards
  • 5 blue cards

Choose the best answer.

  • 5/16
  • 5/17
  • 12/17
  • 7/17
Correct answer(s):
  • 5/17

There are 11 orange stickers and 9 purple stickers in a bag. One sticker is selected at random. What is the probability of NOT selecting a orange sticker?

  • 11 orange stickers
  • 9 purple stickers

Choose the best answer.

  • 9/19
  • 9/20
  • 11/20
  • 20/9
  • 45%
Correct answer(s):
  • 9/20

A box contains 2 orange counters, 2 purple counters, and 6 green counters. If one counter is chosen without looking, what is the probability that it is orange?

  • 2 orange counters
  • 2 purple counters
  • 6 green counters

Choose the best answer.

  • 2/10
  • 4/5
  • 1/5
  • 2/9
Correct answer(s):
  • 1/5

There are 6 purple cards and 6 black cards in a bag. One card is selected at random. What is the probability of NOT selecting a black card?

  • 6 purple cards
  • 6 black cards

Choose the best answer.

  • 2
  • 6/11
  • 50%
  • 1/2
Correct answer(s):
  • 1/2

A box contains 4 red tokens, 2 purple tokens, and 6 orange tokens. If one token is chosen without looking, what is the probability that it is orange?

  • 4 red tokens
  • 2 purple tokens
  • 6 orange tokens

Choose the best answer.

  • 1/3
  • 1/2
  • 1/6
  • 6/11
  • 6/12
Correct answer(s):
  • 1/2

There are 8 white tiles and 10 green tiles in a bag. One tile is selected at random. What is the probability of NOT selecting a white tile?

  • 8 white tiles
  • 10 green tiles

Choose the best answer.

  • 10/17
  • 55.6%
  • 5/9
  • 9/5
  • 4/9
Correct answer(s):
  • 5/9

A box contains 5 purple stickers, 3 red stickers, and 6 blue stickers. If one sticker is chosen without looking, what is the probability that it is purple?

  • 5 purple stickers
  • 3 red stickers
  • 6 blue stickers

Choose the best answer.

  • 3/14
  • 5/14
  • 5/13
  • 9/14
Correct answer(s):
  • 5/14

A box contains 5 red counters, 5 black counters, and 3 green counters. If one counter is chosen without looking, what is the probability that it is green?

  • 5 red counters
  • 5 black counters
  • 3 green counters

Choose the best answer.

  • 10/13
  • 5/13
  • 1/4
  • 3/13
Correct answer(s):
  • 3/13

A box contains 2 blue marbles, 5 black marbles, and 2 orange marbles. If one marble is chosen without looking, what is the probability that it is blue?

  • 2 blue marbles
  • 5 black marbles
  • 2 orange marbles

Choose the best answer.

  • 7/9
  • 5/9
  • 2/9
  • 1/4
Correct answer(s):
  • 2/9