X = the number of late invoices in a Maple Ledger batch of three, with p(0) = 0.40, p(1) = 0.35 and p(2) = 0.15. Compute p(3). Tolerance 0.

Answer

0.1

Cells - p(3) · ±0 The probabilities must sum to one: p(3) = 1 − (0.40 + 0.35 + 0.15) = 0.10.

IS1 §4.1 (random variable, pmf conditions), IBS1 ch 4 intro and §4.2 (phrase translation), CC BY 4.0 — shape only; original dataset