NAMEDATECORE

Module 5-1 to5-4 Study Guide

  1. Decide where each event would be located on the Probability Scale below. Place the letter for each event the appropriate place on the scale.
  1. That a coin will land heads up when you flip it.
  2. That a green marble will be selected from a bag containing 15 green and 5 red marbles.
  3. That you will wake up tomorrow and be 50 years old.
  4. That a student selected from the class will have on a red shirt
  5. That Mr. Bolla will say he is hungry when he is asked
  1. Decide if each of the following events is impossible, unlikely, equally likely to occur or not occur, likely, or certain to occur.
  1. The number 4 will be picked from the number 445,442,444
  2. That a blue cube will be drawn from a bag containing 20 red and 3 blue cubes
  3. The letter K is selected from the letters in the word BOLLA
  4. That a vowel is selected from the word LOVE
  5. That a prime number is selected from the number 2,357
  1. Label the cubes below using B for Blue, Y for Yellow, and R for Red so…
  1. That it would be equally likely to choose a Blue or Red cube



  1. That it would be likely but not certain to choose a yellow cube



  1. A student picked up a large bag of Jolly Rancher candy. She dumped the candy on the desk to share with the class. The chart below shows the types of candy that came out of the bag.

Cherry / 12
Blue Raspberry / 10
Sour Apple / 7
Lemon / 11
Orange / 5
Watermelon / 5
TOTAL = 50

If a student randomly selected a piece of candy from the desk:

  1. What is the estimate for the probability of selecting a Cherry Jolly Rancher?
  2. What is the estimate for the probability of selecting a Blue Raspberry Jolly Rancher?
  3. What is the estimate for the probability of selecting a Orange or Watermelon Jolly Rancher?
  4. What is the estimate for the probability of selecting a Grape Jolly Rancher?
  1. A 7th grade survey was taken about student’s favorite pizza topping. Below is a bar graph that shows the results.

  1. How many students answered the survey question?
  2. How many students said that Mushrooms were their favorite topping?
  3. You select a student at random, what is your estimate for the probability of that student saying that Pepperoni is their favorite topping?
  4. You select a student at random, what is your estimate for the probability of that student saying that anchovy’s are their favorite topping?
  1. For each of the following please list the sample space.
  1. Selecting a letter from the word Mathematics
  2. Drawing a crayon out of a box containing 4 Blue, 3 Green, 2 Yellow, and 11 Red crayons
  3. Winning an Olympic medal
  4. Spinning the spinner to the right
  1. Using the Candy Crush game board to the right. Find each of the probabilities.

  1. Picking a Square?
  2. Picking a Circle?
  3. Picking something other than a yellow tear drop?
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  1. A chance experiment consists of spinning the 2 spinners below.
  1. List the sample space of each outcome.
  2. Find the probability of spinning a 1 on the first spinner and a 4 on the second spinner.
  3. Find the probability of spinning a 2 on at least one of the spinners.

Spinner #1 Spinner #2

  1. You are given a bag of marbles that contains 5 red, 3 blue, 7 green, 4 yellow, and 1 black. Find the probability of each of the following.
  1. P(red)B.P(blue or black)C.P(NOT yellow)
  1. P(white)E.P(a marble)

VOCABULARY TERMS TO KNOW…

ProbabilityTheoretical Probability Sample Space

OutcomeExperimental ProbabilityEqually Likely