2. The manager at a large manufacturer is planning warehousing needs for the coming year. She predicts that warehousing needs will be normally distributed, with a mean of 500,000 square feet and a standard deviation of 150,000. The manager can obtain a full-year lease at $0.50 per square foot per month or purchase storage space on the spot market. Spot market rates have averaged $0.70 per square foot per month. How large an annual contract should the manager sign

answer casual models;

two years ago, when picking flowers in the mountains back of yosemite valley, i found a book. it was blotted and storm-beaten; all of its outer pages were mealy and crumbly. the paper seemed to dissolve like the snow beneath which it had been buried, however; many of the inner pages were well preserved. and although all were more or less stained and torn, whole chapters were easily readable. this is the condition of the great open book of yosemite glaciers today; its granite pages have been torn and blurred by the same storms that wasted the castaway book.

two years ago, when picking flowers in the mountains back of yosemite valley; i found a book. it was blotted and storm-beaten, all of its outer pages were mealy and crumbly. the paper seemed to dissolve like the snow beneath which it had been buried, however, many of the inner pages were well preserved. and although all were more or less stained and torn; whole chapters were easily readable. this is the condition of the great open book of yosemite glaciers today, its granite pages have been torn and blurred by the same storms that wasted the castaway book.

it's obviously d. it could be c though.