Statistics

What is the probability of spinning an even number?

• 30%

• 33%

• 50%

• 67%

Tags

CCSS.7.SP.C.5

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

What is the probability of spinning yello?

• 1/11

• 1/12

• 1/4

• 3/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 1/2

• 3/4

• 1/3

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3

• 1/10

• 3/10

• 30%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The theoretical probability of rolling an even number on a dice.

• 3/6

• 1/2

• 1/6

• 5/6

Tags

CCSS.7.SP.C.5

There are 4 jacks in a standard deck of 52 playing cards. If Peyton selects a card at random, what is the probability that it will be a jack?

• 1/13

• 1/52

• 1/2

• 12/13

Tags

CCSS.7.SP.C.5

Kyleigh saw 10 blue, 8 red, and 42 white cars drive by her house in 1 hour. What is the experimental probability that the next car the drives by her house will not be a white car?

• .5

• .6

• .3

• .7

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

Alyssa can choose between 3 sweaters and 4 skirts. If she selects 1 sweater and 1 skirt, how many possible outcomes are in the sample space?

• 7

• 12

• 81

• 10

A cell phone company expects that every 2 out of 25 cell phones will have some form of defect. At this rate, how many cell phones out of 500 will be expected to have a defect?

• 35

• 40

• 4

• 12

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3