Question 554699
P(less than 4 or greater than 5) = 1-P(4 or 5)


P(less than 4 or greater than 5) = 1-(P(4) + P(5))


P(less than 4 or greater than 5) = 1-(1/6 + 1/6)


P(less than 4 or greater than 5) = 1-2/6


P(less than 4 or greater than 5) = 4/6


P(less than 4 or greater than 5) = 2/3