Find the critical value zc necessary to form a confidence interval at the given level of confidence.
a. 90% = 1.645
b. 85% = 1.8025
a. 90% = 1.645
b. 85% = 1.8025
Answers
Answered by
MathGuru
90% is correct!
85% is incorrect. Try again.
85% is incorrect. Try again.
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