Answer:
The sample mean is 3.48 and the margin of error is 0.44.
Step-by-step explanation:
We know that the confidence interval is written in the form "x − E to x + E", meaning x: sample mean or estimator, and E: margin of error.
To calculate the mean, we can calculate the average of both bounds of the confidence interval:
With one of the bounds, we can calculate the margin of error E
Hello,
(we don't take care of lest powers , only the upper power)
Answer C
I hope this helps you
Area=width×length
Area =5×4x^3
Area =20x^3
It’s c I just took that quiz