In a medical study, adult patients were randomly chosen and classified by obesity and hypertension. The results are summarized in the contingency table below. Hypertension by Obesity Level   Obesity Level Hypertension Low Average High Yes 34 30 51 No 119 99 82        a) What is the probability of an adult having hypertension?        b) What is the probability of an adult having hypertension and being classified as a low level of obesity?

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3.1 

In a medical study, adult patients were randomly chosen and classified by obesity and hypertension. The results are summarized in the contingency table below.

Hypertension by Obesity Level

  Obesity Level
Hypertension Low Average High
Yes 34 30 51
No 119 99 82


       a) What is the probability of an adult having hypertension?
       b) What is the probability of an adult having hypertension and being classified as a low level of obesity?

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