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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 1: Probability of Simple Events
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Guided Practice
A letter tile is chosen randomly. Find the probability of each event. Write each answer as a fraction, percent, and decimal.
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Question 2
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2. P(S, V, or L) _______________
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Question 4
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The probability of choosing a “Go Back 1 Space” card in a board game is 25%. Describe the complement of this event and find its probability.
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Question 5
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Building on the Essential Question
Explain the relationship between the probability of an event and its complement. Give an example.
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