Three professors at George Washington University did an experiment to determine

Question

Three professors at George Washington University did an experiment to determine if economists are more selfish than other people. They dropped 149 stamped, addressed envelopes with exist20 cash in two different classrooms (one economics, one not) on the George Washington campus. Of these, 45% were returned overall. From the economics class 49% of the envelopes were returned. From the 35% were returned. Let: R = money returned: E = economics class: O = other class a. Which of the following probability statements represents the overall percent of money returned? b. Which of the following probability statements represents the percent of money returned from the economics class? c. Which of the following probability statements represents the percent of money returned from the other class? d. Is money being returned independent of the class? Why?

Explanation / Answer

a) The probability statements represents the overall percent of money returned is 0.45
b) The probability statements represents the percent of money retuned from the economics class is 0.49
c) The probability statements represents the percent of moeny return from other class is 0.35
d) Yes, the two groups are independent

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.