Which sentence signals a major shift in the action of the story?
A "The suns beat down on her neck as she stepped closer to examine the chart
B "She stamped her foot and gave a loud groan."
C Kari suddenly remembered a magic trick she had performed at her little brother's
birthday party.
D
"Then she watched as the pile of snow came falling down to test on the dirt that had
been underneath the grass field."

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?