#12

12. At the 5% significance level, do the data provide sufficient evidence to conclude that the mean time spent watching television by women is less than the mean time spent watching television by men? Use the critical-value approach. In a random sample of 192 college students, 128 had part-time jobs. Find the margin of error for the 95% confidence interval used to estimate the population proportion. A) 0.117 B) 0.00227 C) 0.0667 D) 0.0600