Duplicate Question
The question on this page has been marked as a duplicate question.
Original Question
If we wish to have a 90% confidence interval, what would be the value of α/2? Show how you arrived at this answer.Question
If we wish to have a 98% confidence interval, what
would be the value of α/2? Show how you arrived at this
Answer.
would be the value of α/2? Show how you arrived at this
Answer.
Answers
PsyDAG
Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability ± .49.
Z = ± ?
Z = ± ?