What structures would neurobiologists look for if they are interested in determining if an animal can see in color?

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#Question id: 14695

#Unit 13. Methods in Biology

From a bag containing 4 white and 5 black balls a man draws 3 at random. Then the probability that all 3 are black is

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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

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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: 14699

#Unit 13. Methods in Biology

If A and B are arbitrary events, then

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#Question id: 14700

#Unit 13. Methods in Biology

One mapping is selected at random from all the mappings from the set S = {1,2,3,...n} into itself. The probability that the selected mapping is one to one is

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#Question id: 14726

#Unit 13. Methods in Biology

For two events A and B  

(i) not less than P(A) + P(B) -1

(ii)not greater than P(A) + P(B)