Let XX be the number of accidents per week in a factory. Let the pmf of XX be 1x+1−1x+2,x=0,1,2, 1x+1−1x+2,x=0,1,2, Find the conditional probability of X≥4X≥4 given that X≥1X≥1, i. e., P(X≥4|X≥1)P(X≥4|X≥1). Hint: P(X≥1)=1−P(X=0).