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# The ages of all kindergarten children are normally distributed with mean 3 years and standard deviation 8 months.

The ages of all kindergarten children are normally distributed with

mean 3 years and standard deviation 8 months.

If 25 kindergarten children are randomly selected,

what is the probability that their mean age

will be **younger than** 2 years 10 months old?

Use Table A-2 and answer as a decimal with 4 decimal places.