13-15 please

QUESTION 13 Consider the following probability distribution for random variable X, which is the number of pairs of shoes sold by a shoe store on any given day: Xi 0 1 2 3 4 f0! 1) 0.3 0.1 0.2 0.1 0.3 What is P(X s l)? QUESTION 14 Consider the following probability distribution for random variable X, which is the number of pairs of shoes sold by a shoe store on any given day: X: 0 1 2 3 4 x!) 0.3 0.1 0.2 0.1 0.3 What is E(X) or LIX? QUESTION 1 5 Consider the following probability distribution for random variable X, which is the number of pairs of shoes sold by a shoe store on any given day: X: 0 1 2 3 4 x!) 0.3 0.1 0.2 0.1 0.3 Let Y= 2X be the number of Individual shoes sold in a day. What is E( Y)