108. Задачка по химии №010 757

In the sample of the synthesized gold nanoparticles, the particle diameter is distributed approximately normally, with the arithmetic mean x=9.8 and with the standard deviation s=3.5. Calculate the proportion of particles in the sample whose diameters are in the range from x1=8.8 to x2=10.9, taking m = x and b = s.

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