Probability Study Guide

1. A math quiz is made up of 10 multiple-choice questions, each with 5 possible answers. How many possible sets of answers are there?

• 15

• 1024

• 625

• 50

Two number cubes are rolled, then a spinner with 4 different colors on it is spun, then three coins are flipped. How many total possible outcomes are there?

• 2304

• 24

• 1152

• 4096

A number cube is rolled three times. What is the probability that an odd number will show all three times?

• 1/3

• 1/4

• 1/8

• 1/13

A coin is tossed and a standard number cube is rolled. Find the probability: P(heads and 9).

• 0

• 1/6

• 1/12

• 1/3

Given a standard deck of 52 playing cards, what is the probability of randomly drawing a 7 and then a 4 if the first card is not replaced?

• 3/676

• 1/169

• 4/663

• 1/221

Karla has the first 4 letter cards lined up on a table, A, B, C, and D. If she picks two at random, what is the probability that she picks C first and D second?

• 1/2

• 1/4

• 1/6

• 1/12

Tags

CCSS.HSS.CP.B.9

Joan can choose to ride the bus, the train, or take Uber to travel to work on Monday and Tuesday. Which list shows all the possible outcomes of one day and one method of travel?

• Monday, Bus

  Tuesday, Uber

  Monday, Train

  Tuesday, Bus

  Monday, Train

  Tuesday, Uber

• Monday, Bus

  Monday, Train

  Monday, Uber

  Tuesday, Bus

  Tuesday, Train

  Tuesday, Uber

• Bus, Uber

  Bus, Train

  Taxi, Bus

  Taxi, Train

  Subway, Uber

  Subway, Bus

• Monday, Bus

  Monday, Train

  Monday, Tuesday

  Tuesday, Bus

  Tuesday, Train

  Tuesday, Monday

Tags

CCSS.7.SP.C.8B

Each spinner shown below will be spun one time. Which of the following tree diagrams shows all the possible outcomes when each spinner is spun once? (refer to study guide)

• a - (refer to study guide)

• b - (refer to study guide)

• c - (refer to study guide)

• d - (refer to study guide)

Tags

CCSS.7.SP.C.8B