A building in a downtown business area casts a shadow that measures 88 meters along the ground. The straight line
distance from the top of the building to the end of the shadow it creates is at a 32° angle with the ground. What is the
approximate height of the building? Round your answer to the nearest meter.
The building is
meters high

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?