Question

Suppose you choose a marble from a bag containing 2 red marbles, 5 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue).

Answer 1

do the same thing we did last time just different numbers

Answer 2

since you place the marble back in the two draws are independent

P(red) + P(blue)

#red/total + #blue/total

Answer 3

why would you add them together @tomo

Answer 4

would it be multiplied @NickR ?

Answer 5

yes

Answer 6

my bad.

Answer 7

its all good