SOLUTION: Psychologists estimate that 80% of male drivers, when lost in trying to find a location, continue to drive rather than asking for directions. If this estimate is correct, what is t

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Question 748182: Psychologists estimate that 80% of male drivers, when lost in trying to find a location, continue to drive rather than asking for directions. If this estimate is correct, what is the probability that, in a random sample of 100 lost male drivers, the proportion who continue to drive is
a) at least 0.70?
b) less than 0.85?

Answer by lynnlo(4176) About Me  (Show Source):