Question

*I ALWAYS RATE ANSWERS*

Wildlife biologists inspect 126 deer taken by hunters and find 26 of them carrying ticks that test positive for Lyme disease.

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

2. If the scientists want to cut the margin of error in​ half, how many deer must they​ inspect?

3. What concerns do you have about this​ sample?

A. Since females and young deer are usually not​ hunted, this sample may not be representative of all deer.​ Also, since deer ticks are parasites and can easily be spread from one deer to​ another, the ticks may not be distributed evenly throughout the deer population.

B. Since deer ticks are parasites and can easily be spread from one deer to​ another, the ticks may not be distributed evenly throughout the deer population.

C. Since females and young deer are usually not​ hunted, this sample may not be representative of all deer.

D. There are no concerns about this study.

Answer 1

(3) Since deer ticks are parasites and can easily be spread from one deer to​ another, the ticks may not be distributed evenly throughout the deer population (Option B is correct).