0 0 votes A fair coin is tossed till a head appears for the first ime. The probability that the number of required tosses is odd, is $1/3$ $1/2$ $2/3$ $3/4$ Probability & Statistics gate2012-ee probability-and-statistics + – Andrijana3306 347 views answer comment Share Follow 0 reply Please log in or register to add a comment.
0 0 votes 1/2 +1/8 +1/32 +..... infinite g.p series a/(1-r) (1/2)/1-(1/4) (1/2)/(3/4) 2/3 Anmol VG answered Sep 7, 2024 Anmol VG comment Share Follow 0 reply Please log in or register to add a comment.