If 10 objects are distributed at random among 10 persons, then find the probability that at least one of them will not get anything.

If ten objects are distributed at random among ten persons, then find the probability that at least one of them will not get any object.

If 10 identical apples are distributed among 6persons at random then the probability that at leastone of them will receive none is

10 mangoes are to be distributed among 5 persons.The probability that at least one of them will receive none,is

Find the probability to get at least one 4 in the three throws of a dice.

Find the probability of getting at least one tail in 4 tosses of a coin.

If 10 things are distributed at random between 10 persons so that at least one of person does not get any thing

Four men in a company of 10 employees are engineers.If 2 men are selected at random,then find the probability that exactly one of them will be engineer.