In a group of 40 people, 10 are healthy and every person of the remaining 30 has either high blood pressure, a high level of...

      

In a group of 40 people, 10 are healthy and every person of the remaining 30 has either high blood pressure, a high level of cholesterol or both. 15 have high blood pressure and 25 have high level of cholesterol. If a person is selected at random from this group, what is the probability that he/she
a. Has high blood pressure only
b. Has high level of cholesterol only
c.. Has high blood pressure and high level of cholesterol
d. Has either high blood pressure or high level of cholesterol

  

Answers

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sharon kalunda answered the question on August 27, 2019 at 13:45

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