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A medical research project examined the relationship between a subject's weight and recovery timefrom 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. Use relative frequency to develop a joint probability table to show the marginal probabilities.

b. What is the a patient will recover in over 7 days?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9996786

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