How lilely is child to be trained after thirty months

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Reference no: EM13156898

Children toilet train (training age normally distributed) at an average of 26 months with a standard deviation of 2 months.

a. how lilely is child to be trained after 30 months?
b. What age defines the first 10% of kids to toilet train?
c. What ages define the middle 80% of kids toilet training?

Reference no: EM13156898

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