Customers at Ollie’s Oyster House consume an average of 41.3 gallons of oyster chowder each week, with a standard deviation of 8.8 . Assume a normal distribution. What is the probability that customers consume fewer than or less than 30 gallons of barbecue sauce in a week? Answer this question using the Normalcdf calculator function (or equivalent calculator function), showing the numbers you put in carefully.