The distribution of the number X of independent attempts needed to achieve the first success when the
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The distribution of the number X of independent attempts needed to achieve the first success when the probability of success is 0.2 at each attempt is given by
Find the mean, the median and the standard deviation for this distribution.
Transcribed Image Text:
k-1 P(X= k) = (0.2)(0.8) (k = 1, 2, 3, ...)
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SO The first three values of the distribution are PX 1 02 PX 2 016 ...View the full answer
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