Question: my answer was 430/631 this is an exercise sample but Im not sure i used the right formula The following table displays blood pressure status

my answer was 430/631

this is an exercise sample but Im not sure i used the right formula

sure i used the right formula The following table displays blood pressure

The following table displays blood pressure status by sex. What proportion of the participants have optimal blood pressure? Optimal Normal Hypertension Total Male 22 73 55 150 Female 43 132 65 240 Total 65 205 120 390 120/390 65/390 205/390 O 43/240A national survey of graduate students is conducted to assess their consumption of coffee. The following table summarizes the data. Hint: Calculate row and column totals before doing the problem below. What proportion of those who drink caffeinated coffee are male? Do not drink Drink Drink coffee Decaffeinated Caffeinated Only Coffee Male 145 94 365 Female 80 121 430 O 365/604 94/215 365/795 430/631

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