1. For the following curves A, B, and C determine the mean µ and the standard deviation
|Curve||Mean µ||standard deviation σ|
2. Green coffee beans roasted with a hot air popper are properly roasted at "second crack." On average, the beans reach second crack at a mean of six minutes with a standard deviation of one minute. Assume that the roasting distribution for the beans is normal and that there are fifty beans in the hot air popper.