SOLUTION: 1. Find the critical value zc necessary to form a confidence interval at 97% level of confidence

SOLUTION: 1. Find the critical value zc necessary to form a confidence interval at 97% level of confidence

Algebra.Com

Question 270108: 1. Find the critical value zc necessary to form a confidence interval at 97% level of confidence
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Ans: Each tail is (1/2)3% = 0.015

Using a TI-84 I get invNorm(0.985) = 2.1770
===========
Cheers,
Stan H.
RELATED QUESTIONS
1. Find the critical value zc necessary to form a confidence interval at 97% level of... (answered by Edwin McCravy)

1. Find the critical value zc necessary to form a confidence interval at 97% level of... (answered by stanbon)

Find the critical value zc necessary to form a confidence interval at .93 level of... (answered by ewatrrr)

Find the critical value zc necessary to form a confidence interval at the given level of... (answered by Fombitz)

Find the critical value zc necessary to form a confidence interval at the level of... (answered by rothauserc)

what is the critical value zc necessary to form a confidence interval at the given level... (answered by stanbon)

find the critical value Zc necassary to form a confidence interval at the level of... (answered by stanbon)

1. Find the critical value z-score necessary to form a confidence interval at a. 90%... (answered by stanbon)

Find the critical value zc that corresponds to a 95% confidence... (answered by Fombitz)