Let x be a binomial random variable with n = 9, p = 0.2. Find the following value. (Round your answer to three decimal places.) P(x > 1)
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Step 1
Using the formula for the probability mass function of a binomial distribution: P(x = k) = (n choose k) * p^k * (1-p)^(n-k) where (n choose k) = n! / (k!(n-k)!) For x = 0: P(x = 0) = (9 choose 0) * 0.2^0 * 0.8^9 P(x = 0) = 1 * 1 * 0.8^9 P(x = 0) ≈ 0.134 For x = Show more…
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