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1. The mean age at first marriage for respondents in a survey is 22.22, with a standard deviation of 7.13. Calculate the Z score associated

1. The mean age at first marriage for respondents in a survey is 22.22, with a standard deviation of 7.13. Calculate the Z score associated with an observed age at first marriage of 26.50.

b). Based on the above question, what proportion of respondents experienced their first marriage earlier than or before age 26.50?

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