7.5.B.8 - The Difference Between Theoretical Probabilities and Estimated Probabilities – Exit Ticket
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3 Questions
10
1.
Which of the following graphs would NOT represent the relative frequencies of
heads when tossing 1 penny? Explain your answer.
10
2.
Jerry indicated that after tossing a penny 30 times, the relative frequency of
heads was 0.47 (to the nearest hundredth). He indicated that after 31 times, the
relative frequency of heads was 0.55. Are Jerry’s summaries correct? Why or why
not?
10
3.
Jerry observed 5 heads in 100 tosses of his coin. Do you think this was a fair
coin? Why or why not?
From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 5, Topic B, Lesson 8. Internet. Available from https://www.engageny.org/resource/grade-7-mathemat...; accessed 8/Apr/2016.