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India
Class XI

Mathematical Notations for Probability

Interactive practice questions

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(AB) 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
Easy
< 1min

In an experiment, a die is rolled and the number appearing on the uppermost face is noted.

Event $A$A: getting an odd number

Event $B$B: getting a multiple of $3$3

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

Easy
< 1min

One card is drawn from a regular deck of cards.

Event $A$A: getting a black card

Event $B$B: getting a face card

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

Easy
< 1min

How could the probability of the event $A$A: "getting a heads when a coin is tossed" be written using probability notation?

Select the three correct options.

Easy
< 1min
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Outcomes

11.SP.P.1

Random experiments: Outcomes, sample spaces (set representation). Events: Occurrence of events, ‘not’, ‘and’ & ‘or’ events, exhaustive events, mutually exclusive events. Axiomatic (set theoretic) probability, connections with the theories of earlier classes. Probability of an event, probability of ‘not’, ‘and’ & ‘or’ events.

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