An aircraft has 120 passenger seats. The number of seats occupied during 100 flights is given in the following table. :
`{:("Number of seats occupied ",100-104,104-108,108-112,112-116,116-120),("No. of flights "," "15," "20," "32," "18," 15):}`
Determine the mean number of seats occupied over the flights.

Answer

109.92 seats