alleryA coin tossed 10 times. P(exactly 5 heads):
A5/10
B1/2
CC(10, 5) × (1/2)¹⁰ = 252/1024 ≈ 0.246
D1/1024
Answer & Solution
Correct answer: C. C(10, 5) × (1/2)¹⁰ = 252/1024 ≈ 0.246
Binomial(10, 0.5): P(5) = C(10,5)(1/2)¹⁰ = 252/1024 ≈ 0.246. Most likely single outcome but only ~25% chance.
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