(Solved): Assume the prices of cold medicine (per box) are normally distributed with a mean of \( \$ 11 \) an ...
Assume the prices of cold medicine (per box) are normally distributed with a mean of \( \$ 11 \) and a standard deviation of \( \$ 2.25 \). Find the probability that a randomly selected box of cold medicine will cost more than \( \$ 12.50 \). Include a sketch of the density curve in your answer.