Question
1) A computer company x claim that on average, one out of every 10 PCs is their brand. Suppose that 400 PCs are randomly sampled.
1) A computer company x claim that on average, one out of every 10 PCs is their brand. Suppose that 400 PCs are randomly sampled.
What is the probability that the number of X Computers will be more than 49 (i.e.., at least 50)? In using the Normal approximation, use the number 49.5 ?
What is the probability that the number of X will be more than 50 (i.e.., at least 51)? In using the Normal approximation, use the number 50.5. ?
Approximate the probability that the number of X Computers will be exactly 40?
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Discrete and Combinatorial Mathematics An Applied Introduction
Authors: Ralph P. Grimaldi
5th edition
201726343, 978-0201726343
