Estimate the probability of the event of people who came into a blood bank to give blood, people had high blood pressure. Estimate the probability that the next person who comes to give blood will have high blood pressure.
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The probability that a randomly selected person has high blood pressure (the event H) is p(H)=0.2 and the probability that a randomly selected is a runner (the event R) is P(R)=0.4. The probability that a randomly selected person has blood pressure and is a runner is 0.1. Find the probability that a randomly selected person is a runner, given that he has high blood pressure.
(a) 0
(b) 0.25
(c) 1
(d) 0.50
(e) 0.17
(f) None of the above
In a poll,
