What is the length of Side B C given that Side C G is 2.5 inches and Side G B is 2.5 StartRoot 3 EndRoot inches? Round to the nearest tenth. A cube. The top face has points A, B, D, C. The bottom face has points E, F, H, G.
3.5 inches
8.8 inches
9.1 inches
10.8 inches

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?