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Basic Question 0 of 7
Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread wear was found to be 50,000 miles with a standard deviation of 3,500 miles. What is the best estimate of the average tread life, in miles, for the entire population of these tires?
B. (3,500/100)
C. (50,000/100)
A. 50,000
B. (3,500/100)
C. (50,000/100)
User Contributed Comments 5
| User | Comment |
|---|---|
| 8thlegend | I spent 10 mins figuring out how to do this. Then i realized that this was the first question and wasted 10 mins of my life. |
| thekid | 8thlegend---> 10minutes + the time it took you to post up your comment in regards to this "first question" lol..i'm going insane. |
| Ktrain | 10 minutes + the 250 hours studying for this test |
| 2014 | Sample represents population, The purpose of picking up sample serves the estimation of same results. U cannot do research on entire population of tyres. So u have selected a sample. Now, sample results u would rely to predict information. There is no choice or this is best choice to estimate |
| JMORALES | haha |
I am happy to say that I passed! Your study notes certainly helped prepare me for what was the most difficult exam I had ever taken.
Andrea Schildbach
Learning Outcome Statements
describe types of information (signals) that dividend initiations, increases, decreases, and omissions may convey;
explain how agency costs may affect a company's payout policy;
CFA® 2025 Level II Curriculum, Volume 3, Module 16.