A sample of 200 users of Cannondale bicycles was surveyed to ask them then whether they would describe themselves as physically fit, and whether or not they use their bicycles primarily on weekends.
The table below contains the result:
Uses bicycle primarily on weekends: -Yes -No Physically Fit 20 80 Not Physically Fit 70 30.
If the sample is a good representation of the population of Cannondale bicycle users, we can expect that ________ percent of the population of Cannondale users to be physically fit and use their bicycles primarily on weekend:
The expert examines the samples of Cannondale bicycle users.