Suppose the average life expectancy (in years) of people with diabetes is normally distributed with µ = 72 and o= 10. Suppose that a sample of n = 50 people diagnosed with diabetes who received a blood glucose monitoring implant have an average life expectancy of M = 75 years. Assuming a two-tailed test with α = .05, what is the Z-score for this sample? 2.12 0.30 1.96 6.71

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Q: time

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