Probability based problems on coins - atleast and atmost based problems - Part 3 | Sonika

Probability based problems on coins atleast and atmost based problems easily explained.

In this online Math video Lecture,tutorial,tricks and shortcuts on Probability you will understand how to solve Probability problems based on Coin Experiment of Probability Experiments.

A coin has two sides to it : Heads (H) & Tails (T) which are nothing but the two outcomes of the event of tossing a coin.
There is a ‘one in two’ probability of getting a heads wen we toss the coin once.
Similarly, there is a ‘one in two’ probability of getting a tails too.
i.e both the outcomes are equally likely to appear and occur between 0 & 1.
If we add both the probabilities[1/2+1/2], then again we get 1. That means, this event clearly satisfies the sum of probabilities rule.


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Learn to find favorable out comes when we toss two or three coins simultaneously. Also learn to calculate probability of a favorable outcome, when you toss coins.

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