What is the probability that a couple with four children have atleast one girl?
Here,n = 4(children)
P(girl)= 0.5
P(of atleast one girl)= 1 - P(no girls)
= 1 - 0.0625 = 0.9375
If the standard deviation of 0, 1, 2, 3 ......... 9 is K, then the standard deviation of 10, 11, 12, 13 ........... 19 will be:
View Answer Report Error Discuss
The standard deviation of the set {10, 11, 12, 9, 8} is
Find the range of the data 2, 1, 2, 3, 5, 4, 7, 3, 5, 2, 4.
Find the median, mode and mean of 9, 5, 8, 9, 9, 7, 8, 9, 8.
In the usual set notation, A ∪ (B ∩ C) =
Find the range and mode of the data 17, 18, 28, 19, 16, 18, 17, 29, 18
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.
Aptitude and Reasoning
General Knowledge
Puzzles
Interviews
Technical
Certifications
Exams
Job Roles
True or False
Exams
Login
Sign Up