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Suppose that average age at first marriage is 23.33 years old, with a standard deviation of 6.13. If one got married at 26 years old

Suppose that average age at first marriage is 23.33 years old, with a standard deviation of 6.13. If one got married at 26 years old (X=26), how far (in standard deviations) is that person from the average age at first marriage? (Hint: convert X into a Z-score). Show work.

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