We know that Smith scored in the 80th percentile on the last exam. Therefore, we know that Smith earned at least an 80% on the exam.

1. true
2. false

If more people scored a 72% on the first exam than any other score, and a passing grade is 50%, then we know that most people passed the exam.

1. true
2. false

Since the mean salary at Telex Corp. is $45,000 per year, most employees at Telex must make around $45,000 per year.

1. true
2. false