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1.
A fair die is tossed eight times. The probability that a third six is observed on the eight throw, is
2.
A natural number 
is chosen at random from the first 100 natural numbers. The probability that 
is
is chosen at random from the first 100 natural numbers. The probability that is
3.
A coin is tossed 4 times. The probability that at least one head turns up, is
4.
There are 4 white and 4 black balls in a bag and 3 balls are drawn at random. If balls of same colour are identical, the probability that none of them is black, is
5.
A box contains 10 mangoes out of which 4 are rotten. 2 mangoes are taken out together. If one of them is found to be good, the probability that the other is also good is
6.
A five digit number is chosen at random. The probability that all the digit are distinct and digits at odd places are odd and digits at even place are even, is
7.
If two dice are thrown together, then the probability that the sum of numbers appearing on them is 9, is
8.
If 
follows a binomial distribution with parameters 
and 
If 
then 
follows a binomial distribution with parameters and If then
9.
A man is known to speak truth in 75% cases. If he throws an unbiased die and tells his friend that it is a six, then the probability that it is actually a six, is
10.
If 
rupee coins and 
ten paise coins are placed in a line, then the probability that the extreme coins are ten paise coins, is
rupee coins and ten paise coins are placed in a line, then the probability that the extreme coins are ten paise coins, is