An experiment succeeds twice as often as it fails . What is the probability that in the next 5 trials there will be 4 successes?
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Originally Posted by mathaddict An experiment succeeds twice as often as it fails . What is the probability that in the next 5 trials there will be 4 successes? I assume the experiments are independent. Let X be the random variable number of successes. X ~ Binomial(n = 5, p) where p = 2(1 - p). Calculate Pr(X = 4).
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