please help find the substitutions.

{to MindTap- Cengage Learning 3: + _ ||_'.l x ( a G i ng.oengage.oorni'staticfnbruifevofindexmmi?deploymentld=59351i2'I89509097482354739820eISBN=97803511i0614asnapshotld=i782634aid=81Bgoom28. it E 3:: CENGAGE MINDTAP Q Search this course Chapter 7 Assign merit x Asslunmant: chapter 7 Asslnnlnant Assignment Score: 203035 iv Questions u Question 5 of 20 D 4. 0 . . Check My Work (3 remaining) 5. 6 6. O T. 0 me Wall Street Journal reported that 33% of taxpayers With adjusted gross incomes between $30,000 and $60,000 itemized deductions on their federal income tax return. The 8. O mean amount of deductions for this population of taxpayers was 317,264. Assume that the standard deviation is a' = $2,347. Use z-table. 9' O a. What is the probability that a sample of taxpayers from this inoome group who have itemized deductions will show a sample mean within 5175 or the population mean for each of the followmg sample sizes: 80, 50, 100, and 400? Round your answers to four decimals. 10. O 11. 0 = 30 n = 50 12. O n = 100 13. O n = 400 14. O b. What is the advantage ofa larger sample Size when attempting to estimate the population mean? Round your answers to four decimals. 15' O A larger sample the probability that the sample mean will be within a specied distance of the population mean. In the automobile insuranoe example, 15. Q the probability of being within i175 or pl ranges from for a sample of size 50 to for a sample of SIZE! 400. 17. O 13- 0 Check My Work (3 remaining) 19. O 0-: Icon Key