The heights of boys in a grade 10 class are normally distributed with a mean of 168 cm and a standard deviation of 2.5 c

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The heights of boys in a grade 10 class are normally distributed with a mean of 168 cm and a standard deviation of 2.5 c

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The heights of boys in a grade 10 class are normally distributed
with a mean of 168 cm and a standard deviation of 2.5 cm. ق 10
توزيعأ انحراف معياري In which range do 95% of the heights
approximately fall? الأطوال تقريبا؟ A 160.5 - 168 cm B. 160.5 -
175.5 cm C. 163 - 173 cm D. 163 - 175.5 cm
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