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In a binomial distribution B(n=10, p=0.5), the probability of EXACTLY 6 successes is:
A$1/2$
B$60/1024$
C$210/1024$
D$120/1024$
Answer & Solution
Correct answer: C. $210/1024$
P(X=6) = C(10,6) × (0.5)⁶ × (0.5)⁴ = 210 × (1/2)¹⁰ = 210/1024 ≈ 0.205. C(10,6) = 210.
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