Mathematics, 30.03.2021 22:50 abolton04
Lyme disease is spread in the northeastern United States by infected ticks. The ticks are infected mainly by feeding on mice, so more mice result in more infected ticks. The mouse population, in turn, rises and falls with the abundance of acorns, their favored food. Experimenters studied two similar forest areas in a year when the acorn crop failed. They added hundreds of thousands of acorns to one area to imitate an abundant acorn crop, while leaving the other area untouched. The next spring, 54 of the 72 mice trapped in the first area were in breeding condition, versus 10 of the 17 mice trapped in the second area. Let p1 = the true proportion of mice in the acorn-supplemented area that are in breeding condition and p2 = the true proportion of mice in the unsupplemented area that are in breeding condition. Check if the conditions for calculating a confidence interval for p1 – p2 are met.
A. Random? Yes
Large Counts? Yes
B. Random? No
Large Counts? No
C. Random? Yes
Large Counts? No
D. Random? No
Large Counts? Yes
Answers: 1
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