Heedayati drives for 180 km from Town P to Town Q. The average speed of Heedayati is 60 km/h. Heedayati took 45 minutes less for
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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 ()
Confidence level =
Confidence level =
Therefore, the confidence level is 95% or 0.95.