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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 7: Independent and Dependent Events
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Guided PracticeA penny is tossed and a number cube is rolled. Find each probability.
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- Question 1
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P(tails and 3)
| - Question 2
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P(heads and odd)
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- Question 3
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Cards labeled 5, 6, 7, 8, and 9 are in a stack. A card is drawn and not replaced. Then, a second card is drawn at random. Find the probability of drawing two even numbers. -
| - Question 4
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Building on the Essential Question Explain the difference between independent events and dependent events. Type below:
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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 PracticeA number cube is rolled and a marble is selected at random from the bag below. Find each probability. Show your work.
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- Question 1
(request help)
P(1 and red)
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- Question 2
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P(3 and purple)
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- Question 3
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P(even and yellow)
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- Question 4
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P(odd and not green)
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- Question 5
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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?
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- Question 6
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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?
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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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- Question 7
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P(green then brown)
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- Question 8
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P(two blue)
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- Question 9
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P(hazel then blue)
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- Question 10
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P(brown then blue)
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