Beth’s final exam is worth 140 points. it consists of 40 questions. each multiple choice question is worth 2 points, and each word problem is worth 5 points. how many of each kind of question are on the test?

43lbs of tomatos cost $387. how much would 41lbs cost

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

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?