Step 1
It is given that in a roulette, if ball stops on a number, which is a multiple of 3, the player wins the bet.
Step 2
Total number of outcomes,
Favourable out comes,
Probability of winning
Hence probability of winning
Let U
Let S be the subset of the numbers in U that are multiples of 3, and let T be the subset of U that are multiples of 7.
Since
(a) Find n(T) using a method similar to the one that showed that
(b) Find
(c) Label the number of elements in each region of a two-loop Venn diagram with the universe U and subsets S and T.
Questions:Find n(T) ? Find n(SnT)
The simplest form of the expression,