Question 3 assume that serum potassium levels in a healthy population are normally distributed, with a mean of 4.5meq/l and a standard deviation of 0.6meq/l. a. (2pts) what proportion of the population has serum potassium levels between 4.2 and 4.8meq/l?

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet