27. Deer ticks. Wildlife biologists inspect 153 deer

Chapter 19, Problem 27

(choose chapter or problem)

27. Deer ticks. Wildlife biologists inspect 153 deer takenby hunters and find 32 of them carrying ticks that testpositive for Lyme disease.a) Create a 90% confidence interval for the percentage ofdeer that may carry such ticks.b) If the scientists want to cut the margin of error in half,how many deer must they inspect?c) What concerns do you have about this sample?

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