Lesson 05: More Estimating Probabilities | Unit 8: Probability and Sampling
Presentation
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Mathematics
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7th Grade
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Hard
Standards-aligned
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33 Slides • 7 Questions
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Multiple Choice
What is the same about these two experiments? Selecting a letter at random from the word “ALABAMA” and selecting a letter at random from the word “LAMB”.
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Multiple Choice
What is different about these two experiments? Selecting a letter at random from the word “ALABAMA” and selecting a letter at random from the word “LAMB”.
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Multiple Choice
Andre picks a block out of a bag 60 times and notes that 43 of them were green. What should Andre estimate for the probability of picking out a green block from this bag?
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Open Ended
Andre picks a block out of a bag 60 times and notes that 43 of them were green. Mai looks in the bag and sees that there are 6 blocks in the bag. Should Andre change his estimate based on this information? If so, what should the new estimate be? If not, explain your reasoning.
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Open Ended
Han has a number cube that he suspects is not so standard. Han rolls the cube 100 times, and it lands on a six 40 times. Kiran rolls the cube 50 times, and it lands on a six 21 times. Lin rolls the cube 30 times, and it lands on a six 11 times. Based on these results, is there evidence to help prove that this cube is not a standard number cube? Explain your reasoning.
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Multiple Choice
List the sample space for selecting a letter at random from the word “PINEAPPLE.”
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Open Ended
A letter is randomly selected from the word “PINEAPPLE.” Which is more likely, selecting “E” or selecting “P”? Explain your reasoning.
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