Cynthia Knott's oyster bar buys fresh Louisiana oysters for $ per pound and sells them for $ per pound. Any oysters not sold that day are sold to her cousin, who has a nearby grocery store, for $ per pound. Cynthia believes that demand follows the normal distribution, with a mean of pounds and a standard deviation of pounds. How many pounds should she order each day? Refer to the standard normal table LOADING... for z-values. Part 2 Cynthia should order 115.20 pounds of oysters each day (round your response to one decimal place).

Can get explanation on how you found z-value?