Suppose two 6-sided dice are rolled. What are the probabilities of the following events? At least one die lands on an odd number (call this event A). At least one die lands on a number less than or equal to 3 (call this event B). A or A and

Lösung

S u pp ose tw o 6 - s i d e d d i ce a re ro ll e d . Wha t a re t h e p ro babi l i t i es o f t h e f o ll o w in g e v e n t s ? A t l e a s t o n e d i e l an d s o n an o dd n u mb er (c a ll t hi s e v e n t A) . A t l e a s t o n e d i e l an d s o n a n u mb er l ess t han or e q u a l t o 3 (c a ll t hi s e v e n t B) . A or A an d

The number : - 3

Schritte zur Lösung

Represent the number with

x

A.T.Q.:

- 1 \cdot x = 3

Löse nach

x, - 1 \cdot x = 3 : x = - 3

The number : - 3