5.69 Reality TV Reality TV (Survivor, Fear Factor, etc.) is a relatively new phenomenon in television programming, with contestants escaping to remote locations, taking dares, breaking world records, or racing across the country. Of those who watch reality TV, 50% say that their favourite reality show involves escaping to remote locations." If 20 reality-TV fans are randomly selected, find the following probabilities:

a. Exactly 16 say that their favourite reality show involves escaping to remote locations.

b. From 15 to 18 say that their favourite reality show involves escaping to remote locations.

c. Five or fewer say that their favourite reality show involves escaping to remote locations. Would this be an unlikely occurrence?