Results of a poll stated that 40% of u. s. adults identify as republican, and you want to test the claim at alpha = 0.05. what level of confidence should you use? (answer to two decimal places, e. g., 0.75).

The confidence level is 95% or 0.95.

Step-by-step explanation:

Consider the provided information.

Results of a poll stated that 40% of U.S.

If you want to test the claim at alpha = 0.05.

As we know:

Confidence level = 1 - significance level ()

Confidence level =

Confidence level  =

Therefore, the confidence level is 95% or 0.95.

49%

step-by-step explanation:

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