Answer:
Hope you understand, and never stop striving to learn!
Step-by-step explanation:
The sample mean is both values added together then divided by 2.
$46.63
The margin of error is the low value divided by the high value * 100% =76.8% (then you have to minus this from 100% so the margin of error is 23.2%)
Answer:
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A^2+b^2=c^2
4^2+8^2=c^2
16+64=c^2
c^2=80
c=the square root of 80 or about 8.9442719......
