Zadanie 2b
Find the probability that a randomly chosen worker subscribes to both.
Describe sample spaces and events, calculate elementary probabilities and connect probabilities with expected occurrence counts.
Tę umiejętność sprawdza 11 zadań wzorowanych na arkuszach IB z lat 2023–2026.
Find the probability that a randomly chosen worker subscribes to both.
In the tree, p and q are the flagged and clear probabilities conditional on station B. State p and q.
Show that the bag contains 11 red markers.
Show that the probability of scoring 4 points is 6/25.
Find .
Find P(E).
Find P(A∩B).
Find P(A∩B).
Estimate for tomorrow (i) the probability that a kitchen returns at least one container; (ii) the expected number returned per kitchen.
An observation time is selected uniformly from 0 to 6 seconds. Find the probability that the clearance exceeds 1.9 cm.
For n=20, find the probability that at least one of the first three cards is marked.
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.