Let x be a binomial random variable with n = 20 and p = .1. a. Calculate
Question:
a. Calculate P(x ‰¤ 4) using the binomial formula.
b. Calculate P(x ‰¤ 4) using Table 1 in Appendix I.
c. Use the MINITAB output at the top of the page 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 μ ± σ, μ ± 2σ, and μ ± 3σ. 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?
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a so that Px 4 p0 p1 p2 p3 p4 9568255 b Using Table 1 Appendix ...View the full answer
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780495389538
13th Edition
Authors: William Mendenhall, Robert J. Beaver, Barbara M. Beaver
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