In a Sample of 40 Mice, a Biologist Found That

Multiple Choice

In a sample of 40 mice, a biologist found that 42% were able to run a maze in 30 seconds or less. Find the 90% limit for the population proportion of mice who can run a maze in 30 seconds or less.

A) 35.6% < p < 48.4%
B) 32.0% < p < 52.0%
C) 29.1% < p < 54.9%
D) 22.7% < p < 61.3%