Which of these distributions has an appearance of bell-shaped or unimodal curve?

Which of these distributions has an appearance of bell-shaped or unimodal curve? Correct Answer Normal distribution

Out of all continuous distributions, Normal distributions are the only distributions, which have a shape of curve as a bell. The curves of them are mostly unimodal.

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Match the following:   Curve   Nature of damping I Curve (a) A Un - Damped II Curve (b) B Over Damped III Curve (c) C Under Damped IV Curve (d) D Critically Damped
For the distributions given below:   Which of the following is correct for the above distributions?
Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method