Statistics- Serum glutamic oxaloacetic transaminase(SGOT)

| September 9, 2016

Question
Serum glutamic oxaloacetic transaminase(SGOT) is an enzyme that elevates when the heartmuscle is damaged. Assume that the population distribution of SGOT levels in adults withhealthy hearts is known to be normally distributed with=19.32units/L and =12.6units/L.

a.How likely is it that a single adult with a healthy heart has an SGOT level of above 23units/L?

b.For a sample size of=45from this population, what would be the samplingdistribution of the mean SGOT level? Include the type of distribution and the values ofthe defining parameters.

c.Now suppose you collected a sample of=45adults who recently underwent heartsurgery. If the sample meanSGOT level you got was above 23units/L, do you think thatthe SGOT level of people who have recently undergone heart surgery is actually=19.32units/L? Why/why not?

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