What is the difference between biased and unbiased coin?
Important Questions on Probability
There are dics numbered to . They are put in a closed box and shaken thoroughly. A disc is drawn at random from the box. Find the probability that the number on the discs is a number less than .
Select the Venn diagram that represents the correct relationship between the following classes:
Female, Mother, Sister
Each of the letters of the word is written on identical circular discs and put in a bag. They are well shuffled. If a disc is drawn at random from the bag, What is the probability that the letter is one of the first letters of the English alphabet which appears in the given word.
An integer is chosen at random between . Find the probability that it is divisible by .
The table below shows the value of probability when three identical coins are tossed. They are not matched correctly:
| Column-A | Column-B |
| i) Getting at most two heads | |
| ii) Getting at least two heads | |
| iii) Getting exactly one head | |
| iv) Getting neither all heads nor all tails | |
In the following Venn diagram the 'Circle' stands for 'Journalists', the 'Triangle' stands for 'Females' and the
'Rectangle' stands for 'Urban residents'. The given numbers represent the number of persons in that particular category.
How many journalists are female but NOT urban residents?
