1. A probability histogram is symmetrical2 A binomial experiment is an experiment of n repeated trials trial in which there are only twooutcomes for each trial (normally called success/failure), and the probability of success in each trialis the same.A binomial distribution gives the probability of all the possible outcomes of the binomial experiment3.Random Variable XProbability10.520.33P(x)0.21.00.50.250123X4.Random Variable WProbability15/26221/26P(W)10.80.50.2012W5.Random Variable NProbability10. 0120. 0930.90P (N)1.00.90.80.70.60.50.40.30.20.10123NBinomial ProbabilitiesQ22) Probability of success = 0.25Hence we want X = 15P(X =15) = 30 C 15 (0.25)^15 (0.75)^15=30!(0.25)^15 (0.75)^15(30-15)! 15!=0.00193054501or roughly 0.002Q23) Probability of success = 0.25Hence w ...
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