What steps do I take to calculate, If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than $800 per share. Would this be considered unusual? Use the definition of unusual from the course textbook that is measured as a number of standard deviations Please explain the steps using excel usage and you can use different numbers if you need to. I just need to learn the steps to the correct answer. Mean:1076.025 and SD 85.16081 The formal definition of unusual is a data value more than 2 standard deviations away from the mean in either the positive or negative direction.