A pair of dice are tossed twice.
Find the probability that the first roll is a total of at least 4 and the second roll is a total of at least 5.
3 rolls less than 4: 11 12 21
P(at least 4) = 33/36
now do the same for at least 5
Find the probability that the first roll is a total of at least 4 and the second roll is a total of at least 5.
P(at least 4) = 33/36
now do the same for at least 5