Probability (simple problems)

Julian selects a card at random from the cards shown.  What is the probability that the card Julian selects is a polygon? ( A polygon is a shape with 3 or more straight sides)

• ½
• ⅓
• ⅔
• ⅚

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Miss Ward spins a wheel to determine the number of homework problems to assign. There are 20 sections labeled 1–20. What is the probability that there will be fewer than 8 problems assigned for homework?

• 8/20

• 3/5

• 4/9

• 7/20

Daniel bought a bag of 32 candy-coated chocolates. Of those candies, 11 are blue and 10 are orange. If Daniel selects a candy at random, what is the probability that the candy will NOT be blue or orange?

• 11/32

• 1/2

• 11/16

• 21/32

A bag of markers has 4 red markers, 5 blue markers, 3 yellow markers, and 3 green markers. If Maria pulls out a marker without looking, what is the probability he will NOT pull out a blue marker?

• 5/10
• 1/3
• 4/15
• 2/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A small bag of jelly beans contains 2 lemons, 4 cherry, 1 lime, and 3 blueberry jelly beans. If Jessica chooses a jellybean without looking, what is the probability it will be cherry or blueberry?

• 3/10
• 7/10
• 1/2
• 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Jose randomly selected a block like the ones shown from a bag.  What is the probability that he will choose a cube with a number less than 5?

• ⅔
• ⅙
• ⅓
• ⅚

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Without looking, Ashley selected a tile from the tiles shown.  What is the probability she will NOT choose a prime number? ( A prime number is any number with 1 and itself as factors)

• ⅗
• ⅖
• ½
• 4/9

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of spinning the spinner and having it land on RED?

• ⅓
• ½
• ⅔
• ⅚

Tags

CCSS.7.SP.C.5

Mrs. Vasquez has a box of marbles containing 6 pink and 9 purple.  If a student reaches in the box and removes one bead, which expression represents the probability of NOT removing a purple marble?

• 1 - (6/15)
• 1 +(6/15)
• 1 - (9/15)
• 1 + (9/15)

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

Tags

CCSS.7.SP.C.5