Questions 12a, 12b, & 12c ask about different components of…
Questions 12a, 12b, & 12c ask about different components of a confidence interval from the same research study, presented below. 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. Source: “Domestic cats kill many more wild birds in the United States than scientists thought,” Milius, S. Science News, Feb 2013. What is the z* (z-critical value) for a 99% confidence interval? You may want to use StatKey to determine this value.