# Wildlife biologists inspect 153 deer taken by hunters and find 32 of them carrying ticks that...

###### Question:

Wildlife biologists inspect 153 deer taken by hunters and find 32 of them carrying ticks that test positive for Lyme disease.

a. Create a 90% confidence interval for the percentage of deer that may carry such ticks.

b. If the scientists want to cut the bound of error estimation in part (a) in half and not making any guess of the percentage of deer that may carry such ticks, how many deer must they inspect?

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