Question

Q.No.:3
If A and B are two sets such that n(A) =70, n(B) = 60, and n(AnB) = 20, then n(AUB) is​

Answer 1

Step-by-step explanation:

see rhe pic everything is easy if u know the formula ..........peace

Answer 2

Its conditional probability, and its formulae is p(A union B)=P(A)+P(B)-P(A intersection B)

So put the values,

P(A union B)= 70+60-20

= 110.