How many combinations are there for getting exactly 3 tails in 8 fair coin flips? What...
How many combinations are there for getting exactly 3 tails in 8 fair coin flips? What is the probability that you will land on exactly 3 tails in 8 fair coin flips?
Homework Answers
3 tails caa be obtained from 8 fair coin flips by,
8C3 = 56 ways
Therefore there are 56 combinations.
The probability that you will land on exactly 3 tails in 8 fair coin flips is,
56 * (1/2)8 = 56 * (0.5)8 = 0.21875
Probability = 0.21875
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