The historical returns on a balanced portfolio have had an average return of $7\%$ and a standard deviation of $18\%.$ Assume that returns

on this portfolio follow a normal distribution.

a$.$ What percentage of returns were greater than $43\%?$

Note: Round your answer to $2$ decimal places.

Percentage of returns

b$.$ What percentage of returns were below $-47\%?$

Note: Round your answer to $2$ decimal places.

Percentage of returns