A population of interest 77% drink beer and 23% drink soda, Assume that we have drinking beer and soda are disjoint event in the population, we also know beer drinker have a 30% in smoking, there is a 13% chance of smoke for who drink soda.
1 five individual randomly chosen from this population. what is probability of four them drinking beer?
2. f five individual randomly chosen from this population. what is probability of the first 4 drinking beer and the last one drinking soda?
3. five individual randomly chosen from this population. what is expected # of beer drinkers ?
4. five individual randomly chosen from this population. find the 1st standard deviation of beer drinker?
5. A person is randomly chosen from this population.what is the probability that the person smokes?
we know that a selected person is a smoker, what is the probability that person drinks beer?
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