65. Business ethics. One study reports that 30% of newly hired MBAs are confronted with unethical business practices during their first year of employment. One business school dean wondered if her MBA graduates had similar experiences.

She surveyed recent graduates from her school’s MBA program to find that 27% of the 120 graduates from the previous year claim to have encountered unethical business practices in the workplace. Can she conclude that her graduates’ experiences are different?