The mean height of 8 year old girls in my daughters school

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The mean height of 8 year old girls in my daughter's school is 125 cm, with a standard deviation of 0.3, and the height has a bell-shaped distribution.

(a) What is the approximate percentage of girls between 124.4 cm and 125.6 cm?

(b) What is the approximate percentage of girls between 124.1 cm and 125.9 cm?

Reference no: EM13617856

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