Create bell curve in excel and show confidence intervals

Question description

Mean = 7.43 poundsSD = 1.25 poundsSample = 18,665(µ – σ, µ + σ) = (7.43-1.25,7.43+1.25) = (6.18, 8.68) (µ – 2σ, µ + 2σ) =(7.43-2*1.25, 7.43+2*1.25) = (4.93 , 9.93)(µ – 3σ, µ + 3σ ) =(7.43-3*1.25, 7.43+3*1.25) = (3.68 , 11.18)