Domestic cats kill many more wild birds in the United States than scientists thought,” states a recent article.1 Researchers used a sample of n = 140 households in the US with cats to estimate that 35% of household cats in the US hunt outdoors. a. Find a 99% confidence interval for the proportion of household cats in the US that hunt outdoors using this sample information. Show work/calculations used to find SE, ME and confidence interval to full receive credit. Round your answers to three decimal places. b. Interpret your 95% confidence interval in a complete sentence. Use correct units and context. c. Is it plausible that the proportion of household cats in the US hunting outdoors is 0.45? Briefly explain why or why not?
Domestic cats kill many more wild birds in the United States than scientists thought,”
states a recent article.1 Researchers used a sample of n = 140 households in the US with
cats to estimate that 35% of household cats in the US hunt outdoors.
a. Find a 99% confidence interval for the proportion of household cats in the US that hunt
outdoors using this sample information. Show work/calculations used to find SE, ME and
confidence interval to full receive credit.
Round your answers to three decimal places.
b. Interpret your 95% confidence interval in a complete sentence. Use correct units and
context.
c. Is it plausible that the proportion of household cats in the US hunting outdoors is 0.45?
Briefly explain why or why not?
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