Home
Class 12
MATHS
The probability that an event A happens ...

The probability that an event A happens in one trial of an experiment is 0.4. Three independent trials of the experiment are performed. The probability that the event A happens at least once is

A

0.936

B

0.784

C

0.904

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

The probability that a student passes in a physics test is 2/3 and the probability that he passes both the physics and English test is 14/45. If the probability that he passes at least one test is 4/5, find the probability that the student does't pass the physics test

Three coins are tossed once. Find the probability of getting atleast one head.

The probability that a student passes in a physics test is 2/3 and the probability that he passes both the physics and English test is 14/45 . If the probability that he passes at least one test is 4/5 , find the probability that the student passes exactly one of the two tests

The probability that a student passes in a physics test is 2/3 and the probability that he passes both the physics and English test is 14/45 . If the probability that he passes at least one test is 4/5 , find the probability that the student passes neither the Physics test nor the English test.

The probability that a student passes in a physics test is 2/3 and the probability that he passes both the physics and English test is 14/45 . If the probability that he passes at least one test is 4/5 , find the probability that the student passes English test.

An experiments succeeds twice as often as it fails.Find the probability that in the next six trials,there will be atleast 4 successes.

The probability that a contractor will get a plumbing contract is 2/3 and the probability that he will not get an electric contract is 5/9. The probability that he will get at least one contract is 4/5.suppose A is the event that ther contract will get plumbing contract and B is the event that the contractor will get electric contract.P(A)=..........., P(B)=..............., P(AcupB) =...............

The probability that a contractor will get a plumbing contract is 2/3 and the probability that he will not get an electric contract is 5/9 . The probability that he will get at least one contract is 4/5 .suppose A is the event that the contractor will get plumbing contract and B is the event that the contractor will get electric contract. using addition theorem of probability find the probability that the contractor will get both the contracts.

The probability that a contractor will get a plumbing contract is 2/3 and the probability that he will not get an electric contract is 5/9. The probability that he will get at least one contract is 4/5.suppose A is the event that ther contract will get plumbing contract and B is the event that the contractor will get electric contract.Also find the probability that the contractor will get both the contracts.