lab scale known to have a standard deviation of 0.001gram, speimen weghtted 8 times. average weiht is 4.1602 gram. what is 99% confidence interval

Step-by-step explanation:

From the question we are told that:

Sample size

Mean

Standard deviation

Generally 99\% confidence from table  is mathematically given by

Generally the equation for 99\% confidence level (CI)  is mathematically given by