Initial Diagnostic Audit - Unit D2: Probability of Two or More Events Do NOT use a calculator for any questions in the audit unless specifically told otherwise
Section D2.1 - Outcome of Two Events
1.
Two dice are rolled together and the scores added.
(a) 12?
(b) 3?
(c) 7?
(d) an even number?
2.
A fair coin is tossed three times. List all the possibilities for obtaining at least two HEADS.
1st Throw 2nd Throw 3rd Throw
Select outcome HEAD
TAIL Select outcome HEAD
TAIL Select outcome HEAD
TAIL
Select outcome HEAD
TAIL Select outcome HEAD
TAIL Select outcome HEAD
TAIL
Select outcome HEAD
TAIL Select outcome HEAD
TAIL Select outcome HEAD
TAIL
Select outcome HEAD
TAIL Select outcome HEAD
TAIL Select outcome HEAD
TAIL
Section D2.2 - Probability of Two Events
3.
When two fair coins are tossed, what is the probability of obtaining
4.
Two fair dice are thrown together. What is the probability of obtaining a total of
5. The diagram shows two spinners.
Section D2.3 - Use of Tree Diagrams
6.
A fair dice is thrown three times. It is noted if a six is thrown.
What is the probability of throwing
