You do not need to flip the inequality sign when solving the following -5 ≤ 4r + 3.
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Based on the number of people who are older than 35 years and the people with a hemoglobin level between 9 and 11, the probability is 0.531.
<h3>What is the probability of having the required hemoglobin level?</h3>This question does not have the relevant data attached so I will use a similar question.
The probability that a person is older than 35 and has a hemoglobin level of between 9 and 11 can be found as:
= Person who has hemoglobin level of between 9 and 11 and is above 35 years / Total number of people older than 35 years
= (162 - 40 - 76) / 162
= 0.531
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