Random variables, Binomial, Poisson, Normal — statistical analysis ka base
Discrete vs continuous, probability distribution table, mean (E[X]), variance, standard deviation.
Padho →n trials, probability p of success, P(X=r) = ⁿCᵣpʳqⁿ⁻ʳ. Mean=np, Var=npq.
Padho →Rare events counting, P(X=x) = e⁻λλˣ/x!, Mean=Variance=λ. Accidents, defects, calls.
Padho →Bell curve, symmetric, 68-95-99.7 rule, z-scores, standard normal table.
Padho →Binomial bar chart, Poisson vs Binomial comparison, Normal curve with z-score slider!
Lab Kholein →