What is $3,850 minus $925?
a. $925
b. $2,925
c. $3,850
d. $4,775 user: what is $3,850 minus $925 user: convert 39/5 to a mixed number written in lowest terms user: what is the total of 49 1/4 3 3/8

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?