a) Suppose that X is a binomial random variable with n = 70 and p = 0.3. i. Compute the exact probability that X is less than 3. ii. Approximate the probability that X is less than 3 and compare to the result in part (i). iii. Approximate the probability that 8< x <12.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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a) Suppose that X is a binomial random variable with n = 70 and p = 0.3.
i. Compute the exact probability that X is less than 3.
ii. Approximate the probability that X is less than 3 and compare to the result in part (i).
iii. Approximate the probability that 8< x <12.
Transcribed Image Text:a) Suppose that X is a binomial random variable with n = 70 and p = 0.3. i. Compute the exact probability that X is less than 3. ii. Approximate the probability that X is less than 3 and compare to the result in part (i). iii. Approximate the probability that 8< x <12.
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