The daily sales total (excepting Saturday) at a small restaurant has a probability distribution that is approximately normal, with a mean equal to $1230 per day and a standard deviation equal to $120 a What is the probability that the sales will exceed $1400 for a given day b The restaurant must have at least $1000 in sales per day to break even What is the probability that on a given day the restaurant will not break even

Question: The daily sales total (excepting Saturday) at a small restaurant has a probability distribution that is approximately normal, with a mean equal to $1230

The daily sales total (excepting Saturday) at a small restaurant has a probability that is approximately normal, with a mean µ equal to $1230 per day and a standard deviation σ equal to $120.
a. What is the probability that the sales will exceed $1400 for a given day?
b. The restaurant must have at least $1000 in sales per day to break even. What is the probability that on a given day the restaurant will not break even?

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