Probability

UK Secondary (7-11)

Mathematical Notations for Probability

Two events are defined as:

Event $A$`A`: it will rain tomorrow

Event $B$`B`: there will be a storm tomorrow

The notation $P(A\cup B)$`P`(`A`∪`B`) is suitable to describe which of the following probabilities?

probability of no rain tomorrow

A

probability of there being either a storm or rain tomorrow

B

probability of a storm occurring tomorrow

C

probability of there being a storm tomorrow but no rain

D

probability of no rain tomorrow

A

probability of there being either a storm or rain tomorrow

B

probability of a storm occurring tomorrow

C

probability of there being a storm tomorrow but no rain

D

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