Which Indian cricketer is known as "Brown Bradman"?
What term was used to describe the pattern where, from 1840 to 1960, each American President who had won election.......
As well as being a spy, for which brief career she was both celebrated and then executed, in what other profession......
What sport does IFOCE, set up in 1997, govern?
Which virus, which interferes with the endothelial cells lining the interior surface of blood vessels and...............
Where is most of the triple junction continental rift known as Sirte Basin found?
Who composed the 1768 one act comic opera "Bastien und Bastienne"?
What is the name for the study of atom arrangement and geometric structures in crystals?
Much of Egyptian faience is what colour?
complete the table
A group of students has 3 boys and 6 girls. Two are chosen at random to represent the school in a spelling competition. Find the probability that both are girls.
Total number of ways to select two students = 9C2 = 36
Total number of ways to select two girls from 6 gals = 6C2 = 15
Probability = 15/36= 5/12
There are 8 boys and 5 girls in a class. If four students are selected at random, what is the probability that 2 girls and 2 boy are selected?
There are 12 boys and 9 girls in a class. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?
In a school there are 650 students. The ratio of the boys to that of the girls is 8:5. How many more girls should join the school so that the ratio becomes 4:3
6 playing cards were choosen randomly from the pack getting 2 spades, a heart and 3 clubs. What is the probability of getting a club in the next 6 'choose'?
Forgot Your Password?
2018 © Queryhome