CCSS.Math.Content.7.SP.C.7

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

• 2/5
• 1/21
• 4/25
• 1/7

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

A basket contains 5 purple pencils and 9 brown pencils. If two pencils are picked at random one after the other without replacement, then what is the probability that both the pencils are purple?

• 9/182
• 5/182
• 2/91
• 10/91

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

CCSS.Math.Content.7.SP.C.8

A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys? 

• 1/6
• 7/17
• 3/8
• 13/25

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

CCSS.Math.Content.7.SP.C.8

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.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

The chart shows the number of students in Mr. Morales' Geometry class.  If a student is selected at random, which expression can be used to determine the probability the student will NOT be a male freshman?

• 1  - (23/30)
• 1 + (7/30)
• 1 + (23/30)
• 1 - (7/30)

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

A bag of fruit contains 3 apples, 2 oranges, 1 banana, and 4 pears. Gerald will randomly select two pieces of fruit one at a time from the bag and not put them back. What is the probability that the first piece of fruit Gerald selects will be a banana and the second piece of fruit will be a pear?

• 1/25

• 2/45

• 1/2

• 4/9

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.8

A bag has 4 green marbles, 3 red, 2 blue and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/6

• 1/9

• 1/3

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts.  She puts the candy in the bowl.  If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow?

• 1/35
• 7/210
• 6/225
• 2/75

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5

Given a mean of 75 and a standard deviation of 7, how many students out of 500 would score between 68 and 82

• 11

• 2

• 340

• 498

Tags

CCSS.Math.Content.7.SP.C.7

CCSS.Math.Content.7.SP.C.5