Answer :
The probability of patients are females older than 30 years of age who are not admitted to the hospital is 0.19
How to calculate the probability?
The probability of patients who are females and are admitted will be 0.15. The probability of those younger than 30 years will be 0.21.
The proportion of the patients are females older than 30 years of age who are not admitted to the hospital will be:
= [(1 - 0.45) - 0.21] - 0.15
= 0.19
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