Number of passengers who arrive at the platform in an amtrack train station for the 2 pm train on a saturday is a random variabl
e with a mean of 180 and a standard deviation of 25. a.with what probability can we assert that there will be between 80 and 280 passengers?
b.with what probability can we assert that there will be between 130 and 230 passengers?
this is the answer because we know that the total cost of the testing and the medicine will be 250 but then there is also the cost of the appointment and the appointment adds up to the cost.