A certain population has a mean of 479 and a standard deviation of 32 . Many samples of size 41 are randomly selected and the means calculated. (a) What value would you expect to find for the mean of all these sample means? (Glve your answer correct to nearest whole number.) (b) What value would you expect to find for the standard deviation of als these sample means? (Give your answer correct to two decimal places.) (c) What shape would you expect the distribution of all these sample means to have? showed right approximately normal skewed left unidortin You may need to use the appropriate table in Appendix B to answer this question. 3. [-112.5 Points] JKESTAT11 7.E.029. Consider a normal population with =40 and =4.1. Calculate the x iscore for an x of 4 ) 4 from a sample of site 20 . (Give your answer correct to two decimal pl