DP Mathematics HL Questionbank

Description

Combined events; the formula for P(A∪B).

Directly related questions

• 18M.2.hl.TZ1.8: Each of the 25 students in a class are asked how many pets they own. Two students own three pets...
• 16M.1.hl.TZ2.7a: Show that ${\text{P}}(A \cup B) = 2p - {p^2}$.
• 16M.1.hl.TZ1.4a: On the Venn diagram shade the region $A' \cap B'$.
• 16N.2.hl.TZ0.11a: Show that ${\text{P}}(X = 3) = 0.001$ and ${\text{P}}(X = 4) = 0.0027$.
• 16N.1.hl.TZ0.10a: Show that ${\text{P}}(A \cup B) = {\text{P}}(A) + {\text{P}}(A' \cap B)$.
• 17N.2.hl.TZ0.2c: Hence show that events $A’$ and $B$ are independent.
• 17N.2.hl.TZ0.2b: Find ${\text{P}}(A)$.
• 17N.2.hl.TZ0.2a: Find ${\text{P}}(B)$.
• 17M.2.hl.TZ1.1b: Find ${\text{P}}(A' \cap B)$.
• 17M.2.hl.TZ1.1a: Calculate $k$;
• 15N.2.hl.TZ0.1a: Find ${\text{P}}(A \cap B)$.
• 13M.1.hl.TZ1.13c: The following day Alfred and Beatrice play the 6 games again. Assume that the probability that...
• 13M.1.hl.TZ1.9: Two events A and B are such that ${\text{P}}(A \cup B) = 0.7$ and \({\text{P}}(A|B') =...
• 13M.1.hl.TZ2.4b: Find the probability that Tim and Caz eat the same type of chocolate.
• 11M.1.hl.TZ1.1a: Find the value of ${\text{P}}(A \cup B)$ when(i)     $A$ and $B$ are mutually...
• 14M.1.hl.TZ2.1: Events $A$ and $B$ are such that...
• 15M.1.hl.TZ1.10: A football team, Melchester Rovers are playing a tournament of five matches. The probabilities...
• 15M.1.hl.TZ2.1a: Find ${\text{P}}(A \cap B)$.
• 14N.1.hl.TZ0.4a: Determine the value of ${\text{P}}(A \cup B)$ when (i)     $A$ and $B$ are mutually...
• 14N.2.hl.TZ0.12c: Find the probability that Ava wins in one of her first three turns.
• 14N.2.hl.TZ0.12d: Find the probability that Ava eventually wins.