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study on the length of time a person brushes their teeth is conducted on a...

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study on the length of time a person brushes their teeth is conducted on a large population of adults The mean brushing time is and the standard deviation is o A sim andom sample of 100 adults is considered NOTE For the following problems enter GREATER THAN EQUAL TO LESS THAN or NOT ENOUGH INFORMATION without the quotes a The mean of the sampling distribution is Othe the mean of the population b The standard deviation of the sampling distribution is the standard deviation of the population

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