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Question Completion Status: Moving to another question will save this response. MAY 11 9 P Question Completion Status: -) Moving to another question will save
Question Completion Status: -) Moving to another question will save this response. Question 3 < Question 3 of 9 10 points Save Am A bank claims that the mean waiting time in line is not 4.3 minutes. A random sample of 20 customers has a mean of 4.1 minutes with a standard deviation of 0.8 minute. If 0.05, test the bank's claim. Assume the distribution is normal. Use the Confidence Interval method. Exact value of the standard deviation is not known. C) (3.726, 4.474) Reject claim O (3.506, 4.571) Reject claim (D (4.025, 4.290) Support claim O (3.567, 4.217) Support claim ) Moving to another question will save this response. nn < Question 3 of 9 >
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