The probability of a sure event is

What is the probability of a sure event?

The probability that an event will fail to happen is 0.05. The probability that the event will take place on 4 consecutive occasions is

What is the probability of the event that a number chosen from 1 to 100 is a prime number ?

Two coins are tossed simultaneously. Find the probability of the event A getting one head.

Two coins are tossed simultaneously. Find the probability of the event A getting no head.

A die is rolled . Write the probability of the event A getting a prime number

A die is rolled . Write the probability of the event A getting a multiple of 3.

Two coins are tossed simultaneously . Find the probability of the events no tail truns up.

Choose the correct alternative for each of the following questions: What is the probability of the event that a number chosen from 1 to 50 is an odd number ?