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# Assume all variables are binomial. (Note: If values are not found in Previous Table . use the binomial formula.) High Blood Pressure Twenty percent of Americans ages $25$ to $74$ have high blood pressure. If $16$ randomly selected Americans ages $25$ to $74$ are selected, find each probability. None will have high blood pressure.

Solution

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Step 1
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This is a binomial experiment because we have

1. Fixed number of trials - $16$ Americans in the sample
2. Two possible outcomes - a person has (success) or does not have (failure) high blood pressure
3. A person's blood pressure does not affect another's
4. The probability of success remains the same ($20\%$)

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