5.19 Let X be a binomial random variable with n = 20 and p=0.1. a. Calculate P(X4)...
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5.19 Let X be a binomial random variable with n = 20 and p=0.1.
a. Calculate P(X4) using the binomial formula.
b. Calculate P(X 4) using Table 1 in Appendix I.
c. Use the Excel output below to calculate P(X 4). Compare the results of parts
a, b, and
c. d. Calculate the mean and standard deviation of the random variable X.
e. Use the results of part d to calculate the intervals , 20, and 30. Find the probability that an observation will fall into each of these intervals.
f. Are the results of part e consistent with Tchebysheff's Theorem? With the Empirical Rule? Why or why not? Excel Output for Exercise 5.19: Binomial with n = 20 and p = 0.1
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780176509804
3rd Edition
Authors: William Mendenhall
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