A bag of marbles has equal numbers of red (R), purple (P), blue (B), and orange (O) marbles. A marble is picked from the bag and replaced, then a second marble is picked. Complete parts a and b.
a. Represent the possible outcomes in the sample space. Choose the correct answer below.
Click here to view sample space a.
Click here to view sample space c.
Click here to view sample space d.
Click here to view sample space b.
Determine the theoretical probability the marbles picked will not include purple.
(Type an integer or a fraction.)