MUST USE EXCEL AND WRITE DOWN THE STEPS IN FINDING, AND PASTE THE excel functions

3. All calculations must be done using Excel. No calculators or tables from your Stat classes should be used. ' The number of miles travelled per week by a motorist is Normally distributed with a mean of B40 and a standard deviation of 50. (c) Calculate the probability that the average number of miles travelled per week over a complete year of 52 weeks will exceed 650. (d) if the car's gas consumption is 30 miles per gallon, calculate the probability that the motorist will use less than 30 gallons of gas over a period of4 weeks