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Find the mean & standard deviation x p(x) 4 0.2 7 0.31 12 0.24 15 0.18 18 0.07 BINOMIAL DISTRIBUTION FORMULA Section 6.3A Binomial Experiment - BINS • Binary? • There are two possible outcomes – success and failure • Independent? • Trials must be independent • Number? • The number of trials must be fixed – out of n…. • Success? • On each trial the probability of success must be the same Let E be the event that a person goes out shopping on Black Friday. Find the probability distribution for a sample of 3 people if the P(E) = .78. Probability distribution of going shopping on black Friday for 4 people. P(E) = .78
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