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Consider a normal population distribution with the value of o known. a. What is the confidence level for the interval Y + 2.810/Vm? b. What

Consider a normal population distribution with the value of o known. a. What is the confidence level for the interval Y + 2.810/Vm? b. What is the confidence level for the interval x + 1.44ofVn? c. What value of zor in the CI formula (7.5) results in a confidence level of 99.7%? d. Answer the question posed in part (c) for a con- fidence level of 75%

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