2. A medical researcher has found that in a group of 60 employees who use the same canteen (cafeteria) in their offices, only 20 are healthy and every other person has either high blood pressure, high level of cholesterol or both. If 35 people have high blood pressure and 20 have high level of cholesterol. a) How many people have only high blood pressure? b) How many people have only high level of cholesterol? c) How many people with high blood pressure have high level of cholesterol too?

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Chapter1: Combinatorial Analysis
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2. A medical researcher has found that in a group of 60 employees who use the same
canteen (cafeteria) in their offices, only 20 are healthy and every other person has
either high blood pressure, high level of cholesterol or both. If 35 people have high
blood pressure and 20 have high level of cholesterol.
a) How many people have only high blood pressure?
b) How many people have only high level of cholesterol?
c) How many people with high blood pressure have high level of cholesterol too?
If a person is selected at random from this group, what is the probability that he'she
d) Is healthy?
e) Has high blood pressure, given that they have high level of cholesterol?
O Has high level of cholesterol given that they do not have high level of blood
pressure?
d) If you were a medical researcher, using the above calculations, write a short report on
your observations and whether you would advise the company to make any changes
to the food served in the canteen and why
between 100 to 150 words)
Transcribed Image Text:2. A medical researcher has found that in a group of 60 employees who use the same canteen (cafeteria) in their offices, only 20 are healthy and every other person has either high blood pressure, high level of cholesterol or both. If 35 people have high blood pressure and 20 have high level of cholesterol. a) How many people have only high blood pressure? b) How many people have only high level of cholesterol? c) How many people with high blood pressure have high level of cholesterol too? If a person is selected at random from this group, what is the probability that he'she d) Is healthy? e) Has high blood pressure, given that they have high level of cholesterol? O Has high level of cholesterol given that they do not have high level of blood pressure? d) If you were a medical researcher, using the above calculations, write a short report on your observations and whether you would advise the company to make any changes to the food served in the canteen and why between 100 to 150 words)
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