From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
Let S be the sample space
Then, n(S) = 52C2= 1326.
Let E = event of getting 2 kings out of 4.
n(E) = 52*512*1= 6.
4C2
=>4*32*1
P(E)=n(E)n(S)=61326=1221
Find the range and mode of the data 17, 18, 28, 19, 16, 18, 17, 29, 18
View Answer Report Error Discuss
Find the standard deviation of {11, 7, 10,13, 9}
A table tennis player, lost 12 games out of 18 games played. Calculate the games won in terms of decimal.
A sequence a, ax, ax2, ......, axn, has odd number of terms. Then the median is
The mean of a distribution is 15 and the standard deviation is 5. What is the value of the coefficient variation?
If the standard deviation of a population is 3, what would be the population variance?
The variance of a set of data is 169. Then the standard deviation of the data is
If the standard deviation of a population is 10, what would be the population variance?
Aptitude and Reasoning
General Knowledge
Puzzles
Interviews
Technical
Certifications
Exams
Job
Roles
True or False
Exams