Assignment Submission & Scoring Assignment Submission For this assignment, you submit answers by questions. Assignment Scoring Your last submission is used for your score. 3. DETAILS ASWESBE9 8.TB.1.032.0/1 Submissions Used MY NOTES ASK YO You may need to use the appropriate appendix table or technology to answer this question A random sample of 81 credit sales in a department store showed an average sale of $63.00. From past data, it is known that the standard deviation of the population is $26. (a) Determine the standard error of the mean (in dollars). (Round your answer to the nearest cent.) (b) with a 0.95 probability, what can be said about the size of the margin of error? There is a 0.95 probability that the distance between the sample mean and the population mean will be less than or equal to the margin of error There is a 0.95 probability that the distance between the sample mean and the population mean will equal the margin of error, There is a 0.95 probability that the distance between the sample mean and the population mean will be greater than or equal to the margin of error. There is a 0.95 probability that the sample mean and the population mean are equal There is a 0.95 probability that the margin of error and the population mean are equal (c) What is the 95% confidence interval of the population mean (in dollars)? (Round your answers to the nearest cont.) to $ Submit Ano MacBook Air 41 2 RO du 3: 0 8: DAL * 2 $ 4 3 01x % 5 0 > & 7 - 6 8 8 9 0 W E E R T Y U 0 o A S D F G H J L