The Employee Benefit Research Institute reports that 69% of workers reported that they and/or their spouse had
Question:
a. If a random sample of 30 workers is taken, what is the probability that fewer than 17 workers and/ or their spouses have saved some money for retirement?
b. If a random sample of 50 workers is taken, what is the probability that more than 40 workers and/ or their spouses have saved some money for retirement?
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a The characteristics of the binomial distribution are p 069 q 1p 031 and n 30 Th...View the full answer
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Related Book For 
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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