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Theorems · Theorem · probability

Fintype.expect_eq_sum_div_card

∀ {ι : Type u_1} {K : Type u_3} [inst : Semifield K] [inst_1 : CharZero K] [inst_2 : Fintype ι] (f : ι → K),
  (Finset.univ.expect fun i => f i) = (∑ i, f i) / ↑(Fintype.card ι)
Defined in
Mathlib.Algebra.BigOperators.Expect
Cited by
1 results in Mathlib
Foundations
Depth 95 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemifieldCharZeroFintype

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