normal standard deviation
Suppose that we are told that the weights of 5-year old children in a
particular region of the world are normally distributed with a mean of 16 KGs and
standard deviation of 5 KGs.
a. Approximately what proportion of 5-year old children are heavier than 20 KGs?
b.What proportion of 5-year old children are between 20 and 22 KGs?
c. What weight corresponds to the point where 20% of all 5-year old children are greater than this weight?
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