0 votes 0 votes A fair coin is tossed till a head appears for the first time. The probability that the number of required tosses is odd, is $1/3$ $1/2$ $2/3$ $3/4$ Probability and Statistics gate2012-in probability-and-statistics probability conditional-probability + – Milicevic3306 asked Mar 25, 2018 • recategorized Mar 19, 2021 by Lakshman Bhaiya Milicevic3306 7.9k points answer See all 0 reply