You will receive a bag that represents your population (beans, pennies, chips, beads)  Capture 10 “animals” by removing them randomly from the bag.
 Place a mark on them using tape or string
 Return the 10 marked “animals” to the container
 With your eyes closed, grab a handful of the population. This is the recapture step.
Record the number of “animals” recaptured in total and the number that have a mark on them on the data table.
 Data Table:

tropical storm katrina, and it made landfall between miami and fort lauder-dale, florida, as a category 1 hurricane (a storm that, on the saffir-simpson scale, exhibits winds in the range of 74–95 miles per hour [119–154 km per hour]). sustained winds of 70 miles per hour (115 km per hour) lashed the florida peninsula, and rainfall totals of 5 inches (13 cm) were reported in some areas. the storm spent less than eight hours over land. it quickly intensified when it reached the warm waters of the gulf of mexico.

this should answer you're question