Grade 7 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 9: Probability; Lesson 2: Theoretical and Experimental Probability

Grade 7 McGraw Hill Glencoe - Answer Keys

Chapter 9: Probability; Lesson 2: Theoretical and Experimental Probability

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Question 13 (request help)
The table shows Mitch’s record for the last thirty par-3 holes he has played.

Based on this record, what is the probability that Mitch will score a 2 or 3 on the next par-3 hole?
- \(\large\frac{7}{9}\)
- \(\large\frac{3}{5}\)
- \(\large\frac{3}{10}\)
- \(\large\frac{9}{50}\)

Question 14 (request help)
J.R. tossed a coin 100 times.

Based on his results, what is the experimental probability of J.R. tossing tails on the next toss?
- \(\large\frac{1}{5}\)
- \(\large\frac{2}{3}\)
- \(\large\frac{3}{5}\)
- \(\large\frac{4}{5}\)

For Exercises 15 and 16, circle the greater probability.

P(red)

P(not red)

Question 16 (request help)
A number cube is rolled.

P(multiple of 3) P(prime number)

P(multiple of 3)

P(prime number)

Question 17 (request help)
A restaurant offers three flavors of ice cream on its dessert menu: vanilla, chocolate, and strawberry. Dessert options are sundaes or ice cream cones. List all of the possible desserts. Then determine if it is likely, unlikely, or equally likely of randomly choosing a sundae.

Question 18 (request help)
The table shows the enrichment courses offered at a community arts center. List all of the possible outcomes of the classes. Then determine if it is likely, unlikely, or equally likely of randomly choosing to take ceramics on Saturday.