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    Finding the average age of first cardiac incident

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    If the age of an initial cardiac incident is normally distributed with a population standard deviation = 12 years, find the average age at which people will experience their first cardiac incident, given that 17% of all initial cardiac incident victims are younger than 50.

    I think z =0.5675 = 0.57

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    https://brainmass.com/statistics/normal-distribution/finding-average-age-first-cardiac-incident-575284

    Solution Preview

    We need to find z such that P(Z<z)=0.17. From standard normal table, ...

    Solution Summary

    The solution gives detailed steps on finding the average age at which people will experience their first cardiac incident. All formula and calculations are shown and explained.

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