CBSE Class 10 - Maths - 5 Minutes Revision of Probability

Probability




5 Minutes Revision


1. The sample space of an experiment is the set of all possible outcomes of the experiment.


2. The sample space when a coin is tossed three times is


     S  = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}



3. Basic formula to find Probability of an event (E) is




Number of Favourable Outcomes
P(E) =  
Total Number of Outcomes




4. An event that is not