>> question3([261.6, 349.2, 440, 523.25], 1.5, 2)
ans =
    0.0145

>> question3([261.6, 349.2, 440, 523.25], 1.5, 4)
ans =
    0.0038

>> question3([261.6, 349.2, 440, 523.25], 1.5, 6)
ans =
    0.0012

>> question3([261.6, 349.2, 440, 523.25], 1.5, 8)
ans =
    3.6169e-04

>> question3([261.6, 349.2, 440, 523.25], 1.5, 10)
ans =
    1.0922e-04

>> question3([261.6, 349.2, 440, 523.25], 1.5, 12)
ans =
    2.9596e-05