1. A hospital administration did a survey of patients regarding satisfaction wit

Question

1. A hospital administration did a survey of patients regarding satisfaction with care and type of surgery, results: Assume the sample represents the entire population of patients. Find the probabilitythat a patient selected at random is satisfied.

2. Using the same information. Find the probability that a patient selected at random is satisfied and had knee surgery

                Total    not satisfied    netural      Satisfied

HEART     21              7                    12              2

HIP           63             15                   38             10

KNEE       206           58                   88               60

Explanation / Answer

There are 580 participants here.

1.

P(satisfied) = (2+10+60)/580 = 0.124137931 [ANSWER]

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2.

P(satisfied and knee) = 60/580 = 0.103448276 [ANSWER]

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