Acountry produced 3.5 billion gal of fuel ethanol in 2005. the production of corn-based ethanol has increased exponentially from only 1.1 billion gal in 1998. the
following function can be used to model this growth.
c(t) = 1.0647(1.1597), where t is the number of years since 1998
predict the number of gallons that will be produced in 2007 and 2009.
in 2007, billion gallons will be produced.
(round to one decimal place as needed.)

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?