CBSE Class 11 science: Introduction to Probability Videos |  Introduction to Probability

• what's the formula of union of 4 sets
• In a group of 10 outstanding student in a school there are six boys and four girls three students are to be selected out of these at random for debate competition find probability that all of them are boys  
• What is the number of ways of choosing 4 cards from a pack of 52playing cards? In how many of these(i) Four cards are of the same suit,(ii) Four cards belong to four different suits,(iii) Are face cards,(iv) Two are red cards and two are black cards
• Describe the sample space when a coin is tossed three times.
• 
• 
• 
• 
• 
• There are three coloured dice of red, white and black colour. These dice are placed in a bag. One dice is drawn at random from the bag and rolled. Its colour and the number on its uppermost face is noted. Describe the sample space for this experiment. 

Queries asked on Sunday & after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.