SOLUTION: A PIE CHART DESCRIBES BLOOD GROUPS AND RH TYPES OF 100 RANDOMLY SELECTED PERSONS. IF 1 OF THE 100 PERSONS IS RANDOMLY SELECTED, FIND P(RH+ OR GROUP O)= GROUP A: 29 RH + 9 RH-

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: A PIE CHART DESCRIBES BLOOD GROUPS AND RH TYPES OF 100 RANDOMLY SELECTED PERSONS. IF 1 OF THE 100 PERSONS IS RANDOMLY SELECTED, FIND P(RH+ OR GROUP O)= GROUP A: 29 RH + 9 RH-       Log On


   



Question 174667: A PIE CHART DESCRIBES BLOOD GROUPS AND RH TYPES OF 100 RANDOMLY SELECTED PERSONS. IF 1 OF THE 100 PERSONS IS RANDOMLY SELECTED, FIND P(RH+ OR GROUP O)=
GROUP A: 29 RH + 9 RH-
GROUP B: 7 RH + 3 RH-
GROUP AB: 3 RH + 4 RH-
GROUP O: 38 RH + 7 RH-
I WOULD APPRECIATE HELP ON HOW TO DO THE PROBLEM - THANK YOU SO MUCH!

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming your AB is the intersection of A and B,
you cannot have 4 RH- in AB and only 3 RH- in B.
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Cheers,
Stan H.