How Many Household Cats Hunt Birds? "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. 1 Milius, S., "Cats kill more than one billion birds each year," Science News, 183(4), February 23, 2013, revised March 8, 2014, Data approximated from information give in the article. (a) Find a 95% confidence interval for the proportion of household cats in the US that hunt outdoors. Round your answers to three decimal places. The 95% confidence interval is to (b) Is it plausible that the proportion of household cats in the US hunting outdoors is 0.45 ? Is it plausible that the proportion of household cats in the US hunting outdoors is 0.30