Question
A pair of dice is rolled.What is the probability that the sum of the pips is either an even number on a multiple of 3?
total number of space is 36.
total number of space is 36.
Answers
PsyDAG
Sum even = 2, 4, 6, 8, 10, 12
Mult. of 3 = 3, 6, 9, 12
Note that 6 and 12 fit both criteria.
Either-or probabilities are found by adding the individual probabilities.
Mult. of 3 = 3, 6, 9, 12
Note that 6 and 12 fit both criteria.
Either-or probabilities are found by adding the individual probabilities.
Des
1200/ 1296