Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 7: Independent and Dependent Events


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Extra Practice

A number cube is rolled and a letter is selected from the word AMERICA.
Find each probability. Show your work.

  • Question 16 (request help)

    P(less than 4 and vowel)    \(\large \color{red}{\frac{1}{7}}\)

  • Question 18 (request help)

    A number cube is rolled and a coin is tossed. What is the probability of the cube landing on 5 or 6 and the coin landing on heads?

  • Question 19 (request help)

    A laundry basket contains 18 blue socks and 24 black socks. What is the probability of randomly picking 2 black socks from the basket?

  • Question 20 (request help)

    Persevere with Problems Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of 6 on his first turn and  then a sum of 10 on his second turn to land on the next two bonus spaces. What is the probability that Corbin will roll a sum of 6 and then a sum of 10 on his next two turns?

  • P(6 then 10) =

Copy and Solve Solve Exercises 21–24 on a separate sheet of paper.

A card is pulled from a stack of 15 cards labeled 1–15 and the spinner shown is spun. Find each probability.

Maddie is packing for a trip. In her closet, there are 3 red, 4 black, 2 green, and 2 yellow blouses. She randomly selects 2 blouses. Find each probability.

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