The Linden Store in Wellesley found that 70% people choose egg sandwich, and the rest choose chicken. For the following questions, we assume each customer only order one sandwich. a. What is the probability of selling five egg sandwiches to the next 10 customers? b. What is the variance of the distribution in part a? c. What is the probability at least 29 chicken sandwich are sold among next 100 customers? d. What is the expected value of the distribution in part c?