Question

3. Bubba's Burgers is a fast food establishment serving students on a college campus. Bubba'sserves only one meal: a burger, a bag of chips and a Coke. When a customer arrives at thecounter, the number meals he or she orders is given by the following probability distribution:# Meals Ordered12356Probability10%25%?10%10%10%a. Find the probability that 3 meals were orderedb. What is the expected number of meals a customer will order??

Answer 1

a) The probability that 3 meal were ordered is: P1 = 0.1.

b) The expected number of meals is 2, since the maximum probability of 25% points to that number of meals.