On July 15, 2019, Matrix Corp. sells 20,000 snow shovels to a distributor for $15 per shovel. The distributor pays the amount on July 15, 2019, and has the right to return any of the snow shovels for any reason within 180 days for a full refund. Matrix uses the expected value method and estimates that 8% of the snow shovels will be returned and it is probable that no more than 8% of the shovels will be returned. How much sales revenue should Matrix recognize on July 15, 2019, from this sale

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.