The number of books donated to a library is increasing by 25% each month. initially, there were 80 books donated to the library. there were 100 books donated at the end of month 1. how many books are expected to be donated to the library at the end of month 10? round the answer to the nearest whole number. enter your answer in the box.

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?