Of all students at the University of Metropolis, the proportions taking certain numbers of units are as shown in the table below.

Units 3 4 5 6 7 8 9 1011 12 13 14

Proportion 2% 4% 5% 5% 5%4% 8%10%13% 13% 19%12%

Find the expected number of units that a student at U.M. takes. (Enter your answer to two decimal places.)

units