Question:

<p>P(E|F) for 5 coins.</p>

Step-by-Step Solution

Key Concept: P(E|F) = P(E and F)/P(F). Since first is head, need >= 2 heads from remaining 4.

<p>C(4,2)+C(4,3)+C(4,4) = 6+4+1 = 11. Total cond cases = 16. Answer 11/16.</p>

Correct Answer: B