not totally sure what you mean by explain the mean of 0, however
250 attendees = +250 from zero
loses 7 = -7 from zero
Deposit 55 = + 55 from zero
Drop 9 = -9 from zero
Austin = +425 from zero
B as if you plug the co-ordinates into the equation and it equals 10: (3x4)-2= 12-2 =10
A doesn't work as the answer is 20
C doesn't work as the answer is 14
D doesn't work as the answer is -20
You can use 27 $10 bills which gets your at a total of $270 then you can use 1 $5 bill so now you're at $275 then you can use 4 $1 bills that gets you at your total of $279. The least number of bills you can use is 32.
M=15...................................................................
<span>Confidence Level: 95%; Confidence Interval: 44 to 46</span>
