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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).

Respuesta :

Answer:

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 ([tex]\alpha[/tex])

Confidence level = [tex]1 - 0.05[/tex]

Confidence level  = [tex]0.95[/tex]

Therefore, the confidence level is 95% or 0.95.

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