Dr. Steve Brule is interested in the proportion of college students who like Cheesing. Let the proportion of college students who like Cheesing be p. If Dr. Steve Brule wanted to know if the proportion of college students who like cheesing differed from 35%, what are the null and alternative hypotheses

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters