The the wavelengths of some radiations are uniformly distributed atinteger nanom

Question

The the wavelengths of some radiations are uniformly distributed atinteger nanometers in the red spectrum from 675 to 700nm.
a)What is the mean and variance of the wavelength distributionfor this radiation
b)If wavelengths are uniformly distributed at integernanometers from 75 to 100 nanometers, how does the mean andvariance of the wavelength distribution compare to the previouspart? Explain.
a)What is the mean and variance of the wavelength distributionfor this radiation
b)If wavelengths are uniformly distributed at integernanometers from 75 to 100 nanometers, how does the mean andvariance of the wavelength distribution compare to the previouspart? Explain.

Explanation / Answer

The variance is not correct the formula is V(X) =((B-A+1)**2-1)/12 The correct answer is 56.25

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