7th Grade Probability 1

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

• 8/15

• 1/2

• 7/15

• 1/8

Tags

CCSS.7.SP.C.7B

Twelve students have an equally likely chance of being selected in a drawing at school. Eight are girls and four are boys. What is the probability that a boy will be selected?

• 1/4

• 1/3

• 1/8

• 3/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Marty can go to one movie on either Friday or Saturday. His choice of movies includes a comedy or an action movie. Which list shows all of the possible outcomes of one movie on one day?

• Comedy, Friday

  Comedy, Saturday

  Action, Friday

  Action, Saturday

• Comedy, Action

  Action, Comedy

  Friday, Saturday

  Saturday, Friday

• Action, Friday

  Action, Saturday

• Comedy, Friday

  Action, Friday

Tags

CCSS.7.SP.C.8

A coin is flipped and a standard number cube is rolled. How many outcomes do you have?

• 2

• 6

• 12

• 14

In a game the player wins if he rolls a 4 on a number cube. If the number cube is rolled 24 times, then what is a reasonable prediction for the number of unsuccessful rolls?

• 5

• 20

• 4

• 24

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

Which of the following has a certain likelihood of occurring?

• A field goal will be made by the kicker

• There is a 70% of rain on Monday

• Next month has at least 29 days

• A coin will land on either heads or tails

Tags

CCSS.7.SP.C.5

Two coins are flipped. What is the probability that both of the coins land heads up?

• 1/2

• 1/4

• 1/6

• 1

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

At a school assembly 3 out of the first 10 students were wearing spirit wear. Based on this information, if 400 students were at the assembly, then how many students could be expected to be wearing spirit wear?

• 120

• 40

• 30

• 280

Tags

CCSS.6.RP.A.3B

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

• 2/5

• 4/25

• 1/5

• 3/5

Tags

CCSS.7.NS.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Two number cubes are rolled sequentially. What is the probability that the first number cube shows a five and the other number cube shows an even number?

• 1/12

• 1/6

• 1/2

• 11/12

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8