Engineering Board Exam Reviewer · Basic Probability · medium
Three fair coins are tossed. What is the probability of getting at least one head?
- 7/8
- 1/8
- 3/8
- 1/2
Answer
A. 7/8
Solution
P( at least one head)=1-P( no head)=1-≤ft( 12 )3= 78.
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