Joey drives a golf cart when he needs to monitor the security of his neighborhood. he can cover the 40 miles of streets in his neighborhood in 2 hours. what unit rate expresses the speed of joey's golf cart per hour

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left

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?