A lab technician is tested for her consistency by taking multiple

A lab technician is tested for her consistency by taking multiple
measurements of cholesterol levels from the same blood sample. The target accuracy in the past has been 2.5 or less with a standard deviation of 1.15. If the lab technician takes 16 measurements and the variance of the measurements in the sample is 2.2, does this provide enough evidence to reject the claim that the lab technician’s accuracy is within the target accuracy?

State the null and alternative hypotheses.

– A. H0: µ ≥ 2.5, H1: µ < 2.5
– B. H0: µ ≤ 2.5, H1: µ > 2.5
– C. H0: µ ≠ 2.5, H1: µ = 2.5
– D. H0:µ < 2.5, H1: µ ≠ 2.5

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