Question

A jar contains 6 red, 7 white, and 7 blue marbles. If a marble chosen at random. Find the following probabilities?
A)P(red)
B)P(white)
C)P(red or blue)
D)P(red and white)

Answer 1

For A and B, just divide the number of your color by the total. For example,

P(blue) = 7/20

D is a trick question.