Student organizations sometimes require transportation for off$-$campus activities, and school policy requires students to be over $23$ years old to serve as transport. Lael wants to determine how many of the active students will be eligible to transport other group members. Populate the Qualified Driver column as follows:

a$.$ Enter a function to determine if the first student is a qualified driver. Display Yes if the student is older than $23$ ; if not, display No$.$

b$.$ Fill the function to the rest of the column, if necessary.