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A random sample of 100 UAlbany graduates had an average hourly income of $50 with a standard deviation of $12. Find the margin of error

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A random sample of 100 UAlbany graduates had an average hourly income of $50 with a standard deviation of $12. Find the margin of error for the 90% confidence interval for the mean hourly wage of UAlbany grads. O a. 2.46 O b. 1.968 O C. 2.624 O d. 1.312 O e. 1.64

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