Question
A standard six-sided cube is rolled AND a coin is tossed. What is the probability that the cube shows a 3 and the coin is tails?
a.1/12
b. 1/6
c. 1/3
d. 1/4
a.1/12
b. 1/6
c. 1/3
d. 1/4
Answers
R_scott
the two events are independent
... so the probability is the product of the individual probabilities
p(3 on the cube) = 1/6 ... one of six faces
p(tails) = 1/2 ... one of two sides
p(both) = 1/6 * 1/2
... so the probability is the product of the individual probabilities
p(3 on the cube) = 1/6 ... one of six faces
p(tails) = 1/2 ... one of two sides
p(both) = 1/6 * 1/2