.1 T-Mobile Wi-Fi11:29 PM Close WeBWorK : EBF 472. (10 points) A study on the le
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.1 T-Mobile Wi-Fi11:29 PM Close WeBWorK : EBF 472. (10 points) 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 . A simple random sample of 250 adults is considered. NOTE: For the following problems enter: GREATER THANEQUAL TO", "LESS THAN ", or " NOT ENOUGH INFORMATION ". without the quotes.) (a) The mean of the sampling 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 Your score was recorded. You have attempted this problem 4 times. You received a score of 096 for this attempt. Your overall recorded score is 096. You have unlimited attempts remaining.Explanation / Answer
(a) The mean of the sampling distribution is EQUAL TO the mean of the population
(b) The standard deviation of the sampling distribution is LESSER THAN the standard deviation of the population.
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