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A random sample of 4 members of a150 members club has shown that 3 prefer no smoking in the clubhouse dining room. What is the

A random sample of 4 members of a150 members club has shown that 3 prefer no smoking in the clubhouse dining room. What is the probability that this will occur if in fact only 20% of members prefer no smoking in the dining room. Find this probability assuming that the sample was obtained under

a) Sampling without replacement, and

b) Sampling with replacement

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