Conditional Combinations A test consists of 10 multiple-choice questions, each worth 10
points, and 5 discussion questions, each worth 20 points. In how many different ways can a student choose questions worth a total of 100 points?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours