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7.5.A.5 - Chance Experiments with Outcomes That Are Not Equally Likely – Exit Ticket

Last updated 4 months ago

3 Nsɛmmisa

Carol is sitting on the bus on the way home from school and is thinking about the fact that she has three homework assignments to do tonight. The table below shows her estimated probabilities of completing 0, 1, 2, or all 3 of the assignments.

10

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1.

Writing your answers as fractions in lowest terms, find the probability that Carol completes a. Exactly one assignment. b. More than one assignment. c. At least one assignment.

10

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2.

Find the probability that the number of homework assignments Carol completes is not exactly 2.

10

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3.

Carol has a bag containing 3 red chips, 10 blue chips, and 7 green chips. Estimate the probability (as a fraction or decimal) of Carol reaching into her bag and pulling out a green chip.

From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 5, Topic A, Lesson 5. Internet. Available from https://www.engageny.org/resource/grade-7-mathemat...; accessed 8/Apr/2016.