The state of Montana legislature passed a law requiring that all visitors to factories wear safety glasses. Carl Cutcorner, a supervisor at Shirk Machines, told a visiting group of teachers and students from a local high school that there were not enough safety glasses for all of them, so several went without while on the facility. Penny, a teacher, suffered an eye injury when a metal shaving flew off a machine and hit her in her unprotected eye. If Penny files suit against Shirk Machines and Cutcorner and the court rules that Shirk and Cutcorner breached their duty. The negligence analysis without requiring Penny to delve into the reasonable person analysis or prove negligence, is an application of

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups. b. we cannot infer anything from these data since the distribution of salaries is likely right skewed. c. you cannot draw any valid conclusions because the sample sizes are different. d. more students should complete internships because having an internship produces a higher salary.