Logic / Logic 346 · Atom · ~20 seconds
Conditional Probability
Video not yet published
to the StudyWalks catalog
to the StudyWalks catalog
State
In general, P(A and B) = P(A) × P(B given A).
Show
Two aces, no replacement: 4/52 × 3/51. The first draw changes the second's world.
Watch for
P(B given A) and P(A given B) are different numbers — routinely, wildly different. Video 351 is built on that gap.