Answer:
0.95
Step-by-step explanation:
The aluminum section's area formula solved for h is 
From the complete question, the expression of the area (A) in terms of variables a, b and h is:

Factor out h from the expression on the right-hand side

Divide both sides of the equation by (a - b)

Remove the bracket

Rewrite the above equation as follows:

Hence, the aluminum section's area formula solved for h is 
Read more about change of subject at:
brainly.com/question/9070883
Answer:
equal
Step-by-step explanation:
Answer: 83
Step-by-step explanation:
The confidence interval for population mean is given by :-

Given : The student obtained the following 95% confidence interval (in grams) for the population mean, (862,1028).
Here,
Lower limit of the confidence interval :
(1)
Upper limit of the confidence interval :
(2)
Subtracting (1) from (2) , we get

Hence, the margin of error = 83