
Two dice are rolled simultaneously. Find the probability of getting:
Sum of numbers as at least .

Important Questions on Probability
What is the probability that a number selected from the numbers is a prime number?


An urn contains red, blue, green and orange marbles. A marble is drawn from the urn at random. What is the probability that it is: a green marble?

An urn contains red, blue, green and orange marbles. A marble is drawn from the urn at random. What is the probability that it is: Not a red marble?

An urn contains red, blue, green and orange marbles. A marble is drawn from the urn at random. What is the probability that it is: Either blue or orange marble?

An urn contains red, blue, green and orange marbles. A marble is drawn from the urn at random. What is the probability that it is: An orange marble?

A survey of families in a society shows the following results:
Number of cars owned by a family | or more | |||
Number of families |
Out of these families, one is chosen at random. What is the probability that the chosen family has no car?

A survey of families in a society shows the following results:
Number of cars owned by a family | or more | |||
Number of families |
Out of these families, one is chosen at random. What is the probability that the chosen family has cars?
