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Mathematics, 08.04.2020 19:03 isadorahelena1
Each of the 20 students in Mr. Anderson's class flipped a coin ten times and recorded
how many times it came out heads.
a. How many heads do you think you will see out of ten tosses?
b. Would it surprise you to see 4 heads out of ten tosses? Explain why or why not.
c. Here are the results for the twenty students in Mr. Anderson's class. Use this data to
estimate the probability of observing 4, 5 or 6 heads in ten tosses of the coin. (It might
help to organize the data in a table or in a dot plot first.)
Student
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16
18
19
20
Number of heads
3 5 4 6 4 8 5 4 9 S
3
58 6
6 5
Hint: PART A- WHAT IS THE ACTUAL PROBABILITY OF FLIPPING HEADS?
Hint: PART C- Count the number of students that got heads 4, 5 or 6 times? What is the probability? Remember there are 20 students!
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