>> question3([293.7, 370.0, 440, 587.3], 1.5, 3)
ans =
    0.0082

>> question3([293.7, 370.0, 440, 587.3], 1.5, 4)
ans =
    0.0041

>> question3([293.7, 370.0, 440, 587.3], 1.5, 5)
ans =
   0.0023

>> question3([293.7, 370.0, 440, 587.3], 1.5, 6)
ans =
   0.0012

>> question5a([293.7, 370.0, 440, 587.3], 1.5, 3)
ans =
   0.0028

>> question5a([293.7, 370.0, 440, 587.3], 1.5, 4)
ans =
   0.0013

>> question5a([293.7, 370.0, 440, 587.3], 1.5, 5)
ans =
   9.3601e-04

>> question5a([293.7, 370.0, 440, 587.3], 1.5, 6)
ans =
   6.6604e-04