JEE Main 2024 · MathsMultiple choiceSingle correctEasyCalculation

JEE Main 31 January 2024, Shift 2, Maths Q19

Question 19 of 90 in this shift, Maths question 19 of 30, Section A.

A coin is biased so that a head is twice as likely to occur as a tail. If the coin is tossed 3 times, then the probability of getting two tails and one head is

(1) $\frac{1}{27}$
(2) $\frac{2}{27}$
(3) $\frac{1}{9}$
(4) $\frac{2}{9}$ Official answer

Official answer

Option 4

NTA final key.

Chapter: Probability
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy