In: Statistics and Probability
Determine the 80% confidence interval estimate for the population mean of a normal distribution given
n=100, σ=101, and x (with line over it)=1,200.
a. The 80% confidence interval for the population mean is from _____ to _______.
!!!!!!!!PLEASE SHOW ME HOW TO SOLVE THIS ON EXCEL OR A TI-84 CALCULATOR!!!!!
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