<span>The answer is Philadelphia Orchestra
Free bowing is a technique in a symphony orchestra used by a string section to create a deeper sound by drawing the bow back and forth in unison following the directions inscribed on the sheet music by the concertmaster.
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The answer is 3) From calls made to one hundred randomly generated telephone numbers, people replied to a question about television shows they watch
This is because the people questioned were completely chosen at random and were asked about something they might or might know much about. This is easily the least biased option.
However, other surveys were not biased, e.g. asking heart surgeons about children's diet or asking ex-employees of The World of Baseball Bookstore about the importance of baseball.
These are not a random selection and might not actually provide accurate results.
Answer: Oppurtunity cost
Explanation: Oppurtunity cost refers to the value of what you have to give up in order to choose something else. Opportunity cost requires sacrifices. If there is no sacrifice involved in a decision, there will be no opportunity cost.
