Interval Notation Calculator

The Interval Notation Calculator an online tool which shows Interval Notation for the given input. Byju's Interval Notation Calculator is a tool
which makes calculations very simple and interesting. If an input is given then it can easily show the result for the given number.

Practise This Question

There are four machines and it is known that exactly two of them are faulty. They are tested, one by one, is a random order till both the faulty machines are identified. Then the probability that only two tests are needed