120. 3 individuals John Wright, Greg Chappell and Gary Kristen are in the race for the appointment of new coach of team India. The probabilities of their appointment are 0.50.30.2 respectively.If John Wright is appointed then probability of Ganguly appointed as a captain will be 0.7 and the corresponding probability if Greg Chappell or Gary Kristen is appointed are 0.6 or 0.5 respectively. Find the overall probability that Ganguly will be appointed as a captain? A. 0.18 B. 0.35 C. 0.63 D. 0.89

• C.
  .7*.5 + .6*.3 + .2*.5 = .63
• 8 years agoHelpfull: Yes(36) No(2)
• can u please explain why we have to multiply ..please i cannot understand the concept
• 8 years agoHelpfull: Yes(11) No(0)
• (70%OF 50%+30%OF 60%+20%OF 50%)100=63%
• 7 years agoHelpfull: Yes(8) No(0)
• : 0.5 * 0.7 + 0.3 * 0.6 + 0.2 * 0.5 = 0.63
• 7 years agoHelpfull: Yes(5) No(0)
• bayes theorem:
  probability = (0.5*0.7)/((0.5*0.7)+(0.3*0.6)+(0.2*0.5))
  = 0.55556.
  BUT I DNT KNOW WHY THIS OPTION IS NO GIVEN.
• 8 years agoHelpfull: Yes(1) No(21)
• C.
  .7*.5 + .6*.3 + .2*.5 = .63
• 7 years agoHelpfull: Yes(1) No(1)
• (.5*.7+.3*.6+.2*.5)/3=18
• 8 years agoHelpfull: Yes(0) No(10)
• (0.5*0.7*0.8*0.7*)+(0.3*0.5*0.8*0.6)+(0.2*0.7*0.5*0.5)=0.35
• 7 years agoHelpfull: Yes(0) No(7)