SOLUTION: A medical research project examined the relationship between a subject�s weight and recovery time from a surgical procedure, as shown in the table below. Underweight N

Question 285643: A medical research project examined the relationship between a subject�s weight and recovery time from a surgical procedure, as shown in the table below.

Underweight Normal weight Overweight
Less than 3 days 6 15 3
3 to 7 days 30 95 20
Over 7 days 14 40 27

a. What is the probability a patient will recover in fewer than 3 days?
b. Given that recovery takes over 7 days, what is the probability the patient is overweight?

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A medical research project examined the relationship between a subject�s weight and recovery time from a surgical procedure, as shown in the table below.

Underweight Normal weight Overweight Totals
Less than 3 days 6 15 3 24
3 to 7 days 30 95 20 145
Over 7 days 14 40 27 81
Totals 50 150 50 250
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a. What is the probability a patient will recover in fewer than 3 days? :::::: 24/250
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b. Given that recovery takes over 7 days, what is the probability the patient is overweight?::::: 27/81 = 1/3
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Cheers,
Stan H
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