Question 4 of 5 Claire's music playlist contains songs she bought and songs her mother
bought. The ratio of her songs to her mother's songs is 3:2. Which table
shows this ratio and two equivalent ratios?
O A. Claire's Songs Mother's Songs
3
2.
4
3
5
4
O B. Claire's Songs Mother's Songs
2
3
4
6
20
30

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?