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A coin shows heads with probability 0.3. P(exactly 4 heads in 6 tosses)?

A0.0102
B0.0595
C0.3241
D0.1852
Answer & Solution
Correct answer: B. 0.0595
15 x 0.3^4 x 0.7^2 = 15 x 0.0081 x 0.49, which is about 0.0595.
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