..............................[a+b]2+c2
Well just find the two means
The first on would be 25
The second one would be 25
So the answer is stay the same
Hope I helped brainlest???
To find the margin of error, multiply the z-score by the standard deviation, then divide by the square root of the sample size.The z*-score for a 90% confidence level is 1.645.The margin of error is 0.20.The confidence interval is 48.3 to 48.7.48.8 is not within the confidence interval.
