GATE CS 2016 Set 2 — Question 47

Numerical answer 2 marks Question 47 2016

Question 47

NAT 2 marks · no negative Engineering Mathematics

Consider the following experiment.

Step 1. Flip a fair coin twice.
Step 2. If the outcomes are (TAILS, HEADS) then output Y and stop.
Step 3. If the outcomes are either (HEADS, HEADS) or (HEADS, TAILS), then output N and stop.
Step 4. If the outcomes are (TAILS, TAILS), then go to Step 1.

The probability that the output of the experiment is Y is (up to two decimal places) ______.

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Where this question comes from

GATE CS — Computer Science & IT 2016 Engineering Mathematics

Source: GATE 2016 Computer Science and Information Technology, Set 2 (question number approximate)

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