Probability of getting 3 heads in 5 flips of a fair coin?
Probability of getting 3 heads in 5 flips of a fair coin?
Approach: 5C3 / 2^5.
5/16. 10 / 32 = 5/16.
Follow-up: What is the probability of at least 4 heads?
Key concepts: combinations.
Probability of getting 3 heads in 5 flips of a fair coin?
Approach: 5C3 / 2^5.
5/16. 10 / 32 = 5/16.
Follow-up: What is the probability of at least 4 heads?
Key concepts: combinations.