Previous Problem Problem List Next Problem (1 point) A 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 simple random sample of 160 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 the mean of the population. (b) The standard deviation of the sampling distribution is the standard deviation of the population. Note: You can earn partial credit on this problem. Preview My Answers Submit Answers