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1.
If 
equals to
equals to
2.
The probability that a candidate secures a seat in Engineering through "EAMCET" is 
7 candidates are selected at random from a centre. The probability that exactly two will get seats is
7 candidates are selected at random from a centre. The probability that exactly two will get seats is
3.
A committee of five is to be chosen from a group of 9 people. The probability that a certain married couple will either serve together or not at all is
4.
Three numbers are chosen from 1 to 30. The probability that they are not consecutive is
5.
A bag contains 6 red and 3 white balls. Four balls are drawn one by one and not replaced. The probability that they are alternatively of different colours, is
6.
Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house, is
7.
India plays a two ODI matches each with Australia and Pakistan. The probability of India getting points 0,1,2 are 0.45, 0.05, 0.50. The probability of India getting at least 7 points in the series is
8.
If 
are two mutually exclusive events, then
are two mutually exclusive events, then
9.
If 
for 
is a prabability density, then 
is equal to
for is a prabability density, then is equal to
10.
10 different books and 2 different pens are given to 3 boys so that each gets equal number of things. The probability that the some boy does not receive both the pens is