probabilty of loss if the profits to be realised from a certain business venture , to the nearest $1000 are -$1000=0.1, -$2000=0.1, $0=0.2, $1000=0.2, $2000=0.3 and $3000=0.1?

Answer 1

P(X<0) = P(X=-$1,000) + P(X = -$2,000) = 0.1 + 0.1 = 0.2