TCS
Company
lady has to select gloves and hat from a basket.In the dark,she can distinguish hat and gloves.14 red,20 blue,18 green are there.Find probability that any
selected glove pair has same colour
Read Solution (Total 3)
-
- ANS:0.769
PROBABILITY HAS BEEN ASKED.
NO OF FAVORABLE OUTCOMES IS:20 BLUE + 18 GREEN + 2 RED= 40
NO OF OUTCOMES: 52
PROBABILITY:40/52 - 13 years agoHelpfull: Yes(4) No(0)
- 1/3[(14c2/52c2)+(20c2/52c2)+(18c2/52c2)]
52c2--pair out of 52
- 13 years agoHelpfull: Yes(2) No(3)
- 40/52
bcoz when we select 20blue, and 18 green and 2 out of red, so all pairs will be selected so 40/52 - 13 years agoHelpfull: Yes(1) No(6)
TCS Other Question