Answer any of these 1. In the straightaways each lane is a rectangle what is the area and perimetee of each lane in the straightaways? What is the area and perimeter of the larger rectangle made up of the six lanes in one of the straightaways?
2. What is the area of the inner field? What is the area of the entire track (the inner field and the lanes)? Use 3.13 for (pi) and round your answer to the nearest hundredth.
3. What is the perimeter of the entire track? Use 3.14 for (pi) and round your answer to the nearest hundredth. Explain your reasoning.
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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?