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18. Is this experiment a binomial experiment? Explain your answer. Use the characteristics of the binomial distribution given below to answer questions 21 Suppose there is a binomial distribution with: n = 63 and p = 0.38 2 19. What is the mean of the binomial distribution? 20. What is the variance of the binomial distribution? 21. What is the standard deviation of the binomial distribution?Queation Completion Status Select the box-and-whisker plot that represents the following data. 0 20 20 22 23 24 26 27 30 30 31 31 33 50 Box-and-whisker plot A Box-and-whisker plot B Box-and-whisker plot C Box-and-whisker plot D BOX WHISKER C GOX WHISKER D BOX WHISKER E\f\f34. QUESTION: Experiments by Rutherford and Geiger in 1910 showed that the number of alpha particles emitted per unit time in a radioactive process is a random variable having a Poisson distribution. Let X denote the count over one second and suppose it has mean 5. What is the probability of observing fewer than two particles during any given second? What is the P(X 2 10)? Let Y denote the count over a separate period of 1.5 seconds. What is P(Y > 10)? What is P(X + ) > 10)