The probability of getting exactly 2 heads when 2 coins are tossed is
a)1/2 b)1/4 c)3/4 d)1/3

• 1/4
  HH/TT/HT/TH
• 12 years agoHelpfull: Yes(2) No(0)
• the solution is 1/2
• 4 years agoHelpfull: Yes(1) No(0)
• probability of not getting head is:(1/2)^2=1/4
  now probability of getting head is :1-1/4=3/4
• 12 years agoHelpfull: Yes(0) No(1)
• Ans:HH/TT/HT/TH
  1/4
  
• 11 years agoHelpfull: Yes(0) No(0)
• 1/4
  { hh,ht,th,tt}
• 4 years agoHelpfull: Yes(0) No(0)