The management for a chain of restaurants recorded the number of appetizers, X , ordered by tables dining. They observed that X had the following probability distribution. Value of X 0 1 2 3 or more Probability 0.6 0.35 0.04 0.01 What is P ( X < 2 ) ? 0.35 0.04 0.6 0.95

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,