3 years ago

I really need help with this one! please help me!

1 answer:

8 0

Answer:

$p = 56\% = 0.56 \\ n = 5 \\ q = 1 - p = 0.44 \\ P(X = x) = {n \choose x} {p}^{x} {q}^{(n - x) } \\ P(X < 2) = P(X = 0) + P(X = 1) \\ {5 \choose 0} {0.56}^{0} {0.44}^{(5 - 0) } + {5 \choose 1} {0.56}^{1} {0.44}^{(5 - 1) }$

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