Studies have found that the distribution of the wingspan of bald eagles is approximately normal with a mean of 80 inches and a standard deviation of 4 inches.
Part (a)
What is the probability that a randomly selected eagle's wingspan is exactly 77 inches? Explain your answer.
Part (b)
What is the probability that a randomly selected eagle's wingspan is 77 inches or less?
Part (c)
What is the probability that a randomly selected eagle's wingspan is 80 inches or more?
Part (d)
Which of the following events is more likely: That a randomly selected eagle's wingspan is greater than 83 inches or that a randomly selected eagle's wingspan is less than 78 inches. Explain how you find your answer.
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