In Problem 73, what is the approximate probability of the number of families with 2 girls in
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In Problem 73, what is the approximate probability of the number of families with 2 girls in the sample being at least 225 and not more than 275? Approximate a binomial distribution with a normal distribution.
Data from Problem 73
In a family with 2 children, the probability that both children are girls is approximately .25. In a random sample of 1,000 families with 2 children, what is the approximate probability that 220 or fewer will have 2 girls? Approximate a binomial distribution with a normal distribution.
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In Problem 73 we approximated the binomial distribution with a normal distribution using the given m...View the full answer
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Finite Mathematics For Business Economics Life Sciences And Social Sciences
ISBN: 9780134862620
14th Edition
Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker
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