Question points) The amount of gasoline that each of three gas stations sells in one day has an exponential distribution with mean of 4 tons. Assuming that each station operates independently,
a) What is the probability that any given station sells more than 5 tons of gasoline on a given day?
b) What is the probability that exactly two of three stations sell more than 5 tons of gasoline on a given day?
c) How much gasoline should be stocked by each station each day so that the chance of running out of gasoline is only 0.05 ?
out of gasoline is only 0.05? given day? c) How much gasoline should be stocked by each station each day so that the chance of running exponential distribution with mean of 4 tons. Assuming that each station operates independently, Question 3 (2+2+2 points) The amount of gasoline that each of three gas stations sells in one day has an