Essay
Let x be a binomial random variable with n = 25 and p = 0.3.
a. Is the normal approximation appropriate for this binomial random variable?
b. Find the mean and standard deviation for x.
c. Use the normal approximation to find 
d. How close was your approximation?
d. Use the cumulative binomial probabilities table in Appendix 1 of the textbook to calculate the exact probability 
Compare the results of parts c and
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a. The normal approximation will be appr...View Answer
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