Please answer the question in the screenshot below, and show your work. Thank you.

BONUS. A researcher records the ages of Algebra B students and nds that the ages follow a normal distribution, with a mean age of 14.2 years old and a standard deviation of 0.62 years. What proportion of Algebra B students can be expected to be older than 15 years old? 1 -{x-.u)2 90$) The Normal Pmbability Density Function {normal pal]: f (x) = GJZE