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
Answer:
m1=12 and m2=168
Step-by-step explanation:

Answer:
how many marbles and how many colors do we have?
Step-by-step explanation:
Answer:
A. the square root of 15
Step-by-step explanation:
I'm not sure
(Y/4) +3 = 7
Subtract 3 from both sides:
Y/4 = 4
Multiply both sides by 4
Y = 16