Question

A letter is takenout at random from 'ASSISTANT' and another is taken out from 'STATISTICS'. The probability that they are the same letter is :

Answer 1

as you can see that there are 7 letters in common in both the words.
3 S, 2 T, 1 I, 1 A is common.
show the total number of observation is 7.
show the probability that they are same letter is 1/7.

Answer 2

Here is the answer for ur question. I hope this will help you.