PLEASE ANSWER IN EXCEL FORMULA AND FORMAT.

Suppose the returns on long$-$term corporate bonds are normally distributed. Based

on the historical record, what is the approximate probability that your return on

these bonds will be less than $-2\mathrm{.}1$ percent in a given year? What range of returns

would you expect to see $95$ percent of the time? What range would you expect to

see $99$ percent of the time?

$($Use cells A$6$ to B$8$ from the given information to complete this question. You must use the

built$-$in Excel function to answer this question.$)$