1. Lisa walks 48 blocks in 3 hours. TV
72
• Gordon types 1,800 words in 25 minutes.
• A particular frozen yogurt has 75 calories in 2 ounces. F
are in 8 ounces of the yogurt? (Example 2) 8-4
- The cost of 10 oranges is $1. What is the cost of 5 doze
(Example 2)
ESSENTIAL QUESTION CHECK-IN

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?