On the morning of her presentation, clara finished her final slide. now, three hours before her presentation, she called a friend to ask what building and room number she will be presenting in. what is clara's big mistake?

a. clara didn't remember to save her slides in multiple places.
b. clara called her friend that morning when she should have been concentrating only on her presentation.
c. she finished her final slide that morning, which means she obviously forgot to run the spelling checker.
d. clara forgot to inquire about her presentation room, since she does not even know if it has a projector.

Gerda, a real estate agent, is selling a moderately priced house in a subdivision. she knows from her uncle that the factory being built half a mile from the subdivision will be manufacturing dog food, using a process that creates a very strong odor that permeates the surrounding neighborhood. a buyer, who is unaware of the type of factory under construction, makes an offer on one of the houses gerda is selling, and within a short time, the deal goes through. what does this scenario best illustrate?

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.

Garfield corporation is considering building a new plant in canada. it predicts sales at the new plant to be 50,000 units at $5.00/unit. below is a listing of estimated expenses. category total annual expenses % of annual expense that are fixed materials $50,000 10% labor $90,000 20% overhead $40,000 30% marketing/admin $20,000 50% a canadian firm was contracted to sell the product and will receive a commission of 10% of the sales price. no u. s. home office expenses will be allocated to the new facility. the contribution margin ratio for garfield corporation is