The table describes data collected by a hospital\'s administration from 206 disc
ID: 3069564 • Letter: T
Question
The table describes data collected by a hospital's administration from 206 discharged surgery patients regarding their satisfaction with care received during their stay. The columns represent the type of surgery and the rows represent their satisfaction. Heart Hip Knee Not Satisfied 7 Neutral Satisfied Very Satisfied 4 22 23 49 12 2 38 10 16 25 21 63 73 15 32 5888 60 206 Assume that the sample represents the entire population of surgery patients. Find the probability that a randomly selected patient is neutral. Assume that the sample represents the entire population of surgery patients. Find the probability that a randomly selected patient is not satisfied and had hip surgery Assume that the sample represents the entire population of surgery patients. Find the probability that a randomly selected patient was a knee surgery patient or was very satisfied.Explanation / Answer
a)
P(Neutral) = n(Neutral) / Total patients
= 63 / 206
= 0.3058
b)
P(Not satisfied and Hip surgery) = n(Not satisfied and Hip surgery) / total patients
= 12 / 206
= 0.0583
c)
P(Knee surgery or very satisfied) = P(Knee surgery) + P(Very satisfied)
- P(Knee surgery and very satisfied)
= 60/206 + 49/206 - 23/206
= 86/206
= 0.4175
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