When is beta distribution bell-shaped or concave? - Cross Validated

Description

Is there some restriction to parameters $( \alpha , \beta)$ that makes the beta distribution concave down? Bell-shaped like e.g. a normal? For example, the cases in purple and black, but not the red

Perks' distribution when the number of types of arrowheads is J = 3

Beta distribution curves are different for the different input of the

Beta distribution - Wikipedia

Is the Gaussian distribution a specific case of the Beta Distribution? - Cross Validated

Understanding the beta distribution (using baseball statistics

Beta distribution - Wikipedia

Beta Distribution — Intuition, Examples, and Derivation, by Ms Aerin

What is the intuition behind beta distribution? - Cross Validated

Beta Distribution — Intuition, Examples, and Derivation, by Ms Aerin

Beta distribution - Wikipedia

Beta distribution - Wikipedia

A noble extended stochastic logistic model for cell proliferation

Beta distribution - Wikipedia