Negation of an event

Statement-1: 20 persons are sitting in a row. Two of these persons are selected at random. The probability that the two selected persons are not together is 0.9. Statement-2 :If overline(A) denotes the negation of an event A, then P(overline(A))=1-P(A) .

Statement-1: 20 persons are sitting in a row. Two of these persons are selected at random. The probability that the two selected persons are not together is 0.9. Statement-2 :If overline(A) denotes the negation of an event A, then P(overline(A))=1-P(A) .

Let A,B,C be three arbitrary events connected with a random experment. Write down the set-theoretic notations of the events whose verbal descriptions are given below: Negation of B (i.e.not B)

Negation of disjunction of p and q is equivalent to the negation of both p and q . Verify

Negation of the statement 'A is rich but silly' is

The negation of inverse of ~ptoq is

Negation of (~ p vv q) is