A machine produces rubber balls whose diameters are normally distributed with mean 5.50 cm and variance 0.0064 cm. What proportion of balls will have diameters between 5.34 and 5.44 cm?(normcdf(2)=0.97725, normcdf(0.75)=0.77337)
Added by Erik S.
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In this case, the variance is 0.0064 cm. σ = √0.0064 = 0.08 cm Show more…
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