On a recent road trip, it took john 3.53.5 h to drive from a suburb of phoenix to a small town outside of yuma. according to his dashboard computer, he averaged 8585 mph on the drive. john's friend in yuma is european, and he asked for the distance that john drove in kilometers. how far did john drive in kilometers?

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?