Probability Test Review

What is the probability of randomly selecting an even number from the numbers 1-15?

Tags

CCSS.7.SP.C.7B

Twenty students have an equally likely chance of being selected in a drawing at school. Eleven are 6th graders and nine are 7th graders. What is the probability that a seventh grader will be selected?

Tags

CCSS.7.SP.C.7B

The probability of a spinner landing on green is 1/6. What does 5/6 represent?

• P(yellow)

• P(green)

• P(green and yellow)

• P(green')

Tags

CCSS.7.SP.C.5

Ryan can go to one movie on either Monday ,Tuesday, or Wednesday. He will be able to choose a drama or an action movie. Which list shows all the possible outcomes of one movie on one day?

• Drama, Monday

  Drama, Tuesday

  Drama, Wednesday

  Action, Monday

  Action, Tuesday

  Action, Wednesday

• Drama, Tuesday

  Drama, Wednesday

  Action, Monday

  Action, Tuesday

• Drama, Monday

  Action, Tuesday

  Drama, Wednesday

• Monday, Drama

  Tuesday, Drama

  Wednesday, Drama

Tags

CCSS.7.SP.C.8B

A coin is flipped and a spinner labeled #1-6 is spun. How many possible outcomes are there?

• 10 outcomes

• 12 outcomes

• 48 outcomes

• 18 outcomes

In a game, the player wins if he rolls an even number on a number cube, if the number cube is rolled 42 times, what is a reasonable prediction for the number of successful rolls?

• 21 times

• 3 times

• 14 times

• 42 times

Tags

CCSS.7.SP.C.6

A health study of 260 students found that only 1 in 13 students gets enough sleep each night. Based on the results of the sample, how many students get enough sleep?

• 130 students

• 26 students

• 20 students

• 240 students

Tags

CCSS.7.SP.A.2

Two fair dice are rolled what is the probability that both land on 2?

At a school assembly, 2 out of the first 10 students were wearing their Spirit shirts. Based on this information, how many students could be expected to be wearing their spirit shirt if 400 students attended?

• Don't forget your unit

Tags

CCSS.7.RP.A.3

There are eight marbles in a bag. Three are green, three are purple, and two are orange. You draw a marble, replace it, and then draw another. What is the probability of choosing two green marbles?