Question

I need B & C answered

㊧8.1 .17 0.5 of 1 Point Question Hep * Suppose·amploradom sample ofsize n " 47 is obtained from a population we, 68 and e.14. (a) What must be true regarding the distrbution of the population in order to use the normal model to compute probablilities regarding the sample mean? Assuming the nomal model can be used, cescree the samping distribution x b) Assuming the normal model can be used, determine Plx e71.3) (c) Assuming the normal model can be used, delermine Px69.9) t nere are no requiremeres on ine shape ot ine astouton or me popuiaion D Sne te sample size-large enough, he population darbution does not need to be nomal Assuming the normal model can be used, desoribe the sampling distribution 47 D A Acproximaley normal, wity -6 and a B. Approannately "ormal, with阪"68 and 0. OC. Approarnately normal, we .68ando,-14 (b) POK#71.3)"□4Round to four decima. places as needed )

Answer 1

have to find p(69. 1-0. 826리

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