The-mean-height-of-a-population-of-girls-aged-15-to-19-years-in-a-northern-province-in-Ghana-was-found-to-be-165-cm-with-a-standard-deviation-of-15-cm-Assuming-that-the-heights-are-normally-dist

Question Number 170810 by MathsFan last updated on 31/May/22

$$ \\ $$The mean height of a population of girls aged 15 to 19 years in a northern province in Ghana was
found to be 165 cm with a standard deviation of 15 cm. Assuming that the heights are normally
distributed, find the heights in centimetres that correspond to the following percentiles:

a. Between the 20th and 50th percentiles.

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