1. Past records suggest that the height of graduates of a certain college fit a normal distribution with mean 165 cm and standard deviation 6cm. Determine
i.
The percentage of graduates whose heights is less than 170cm
ii. The percentage of graduates whose heights is between 170 to 175 cm​

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

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

Simplify the following expression 48^1/2