Mathematics, 30.11.2019 01:31 yarielisr18

The u. s. census bureau conducts a study to determine the time needed to complete the shortform. the bureau surveys 200 people. the sample mean is 8.2 minutes. there is a knownstandard deviation of 2.2 minutes. the population distribution is assumed to be normal. identify the following: x¯= σ= =

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