Elijah is keeping track of his baby sister's shoe size at different ages throughout her childhood. Which statements about the relationship between Elijah's sister's shoe size
and her age are true? Select all that apply.

A. The relationship is a continuous function.

B. The relationship is a discrete function

C. The domain and range are restricted to positive numbers.

D. The domain and range are restricted to positive integers.

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?