Answer quick a pollster conducts a survey by phone. the probability that a call does not result in a person taking the survey is 95%. what is the probability that the poster makes four calls and then result in a person taking the survey

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?