Using Excel

Ten percent of the meals served in Brent's Dell are incorrectly priced. What is the probability (using the Binomial calcuations) that out of a sample of 10 meals a Exactly one is priced wrong? Answer b. Exactly 5 are priced wrong? Answer IN Mortorcycle pass an Intersection at a rate of one every ten minutes According to Poisson calculations, what Is the probability I see Exactly 8 motorcycles In one hour Answer b. At least 6 motorcycles in one hour