The probability of a sure event is...

Given that the two numbers appearing on throwing two dice are different.Find the probability of the event "the sum of numbers on the dice is 4"

If 2/11 is the probability of an event A,then what is the probability of the event 'not A'?

The probability that a student will pass the final examination. in both English and Hindi is '0.5' and the probability of passing neither is '0.1 .' If the probability of passing the English examination is '0.75', what is the probability of passing the Hindi examination. Let probability: of passing English be 'E' and probability of passing Hindibe 'H'.

A die is rolled,find the probability of following event: A prime number will appear.

A die is rolled,find the probability of following event: A number less than or equal to one will appear.

A die is rolled,find the probability of following event: A number less than 6 will appear.

A die is rolled,find the probability of following event: A number greater than or equal to 3 will appear.

A die is rolled,find the probability of following event: A number more than 6 will appear.