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#Question id: 14698
#Unit 13. Methods in Biology
A bag has 13 red, 14 green and 15 black balls. The probability of getting exactly 2 blacks on pulling out 4 balls is P1. Now the number of each colour ball is doubled and 8 balls are pulled out.The probability of getting exactly 4 blacks is P2. Then
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#Question id: 14696
#Unit 13. Methods in Biology
Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 black balls, one ball is drawn at random from urn A and placed in urn B. Then one ball drawn at random from urn B and placed in urn A. If one ball is now drawn from urn A, the probability that it is found to be red is
TLS Online TPP Program
#Question id: 14694
#Unit 13. Methods in Biology
Two balls are to be drawn from a bag containing 5 red and 7 white balls. Find the chance that they will both be white
TLS Online TPP Program
#Question id: 14692
#Unit 13. Methods in Biology
A box contains 6 white balls and 3 black balls and another box contains 4 white balls and 5 black balls. The probability that a ball selected from one of the box again selected at random is a white ball.
TLS Online TPP Program
#Question id: 14495
#Unit 13. Methods in Biology
A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other without replacement. The probability that both the balls drawn are black is
TLS Online TPP Program
#Question id: 23258
#Unit 13. Methods in Biology
If the probes are hybridized at the ends of the chromosome then they are called as