Math Practice 101
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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Independent Practice

A number cube is rolled and a marble is selected at random from the bag below. Find each probability. Show your work.

  • Question 5 (request help)

    A carnival game wheel has 12 equal sections. One of the sections contains a star. To win a prize, players must land on the section with the star on two consecutive spins. What is the probability of a player winning?
  • Question 6 (request help)

    A standard set of dominoes contains 28 tiles, with each tile having two sides of dots from 0 to 6. Of these tiles, 7 have the same number of dots on each side. If four  players each randomly choose a tile, without replacement, what is the probability that each chooses a tile with the same number of dots on each side?

Mrs. Ameldo’s class has 5 students with blue eyes, 7 with brown eyes, 4 with hazel eyes, and 4 with green eyes. Two students are selected at random. Find each  probability.

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