In the phylogenetic trees, numbers represent species, and the same species are shown in both trees. Which two species are represented as sister species in Tree 2 but are not shown as sister species in Tree 1?

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#Question id: 14687

#Unit 13. Methods in Biology

Find the probability of drawing one rupee coin from a purse with two compartments one of which contains 3 fifty paisa coins and 2 one-rupee coins and the other contains 2 fifty paisa coins and 3 one rupee coins.

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#Question id: 14688

#Unit 13. Methods in Biology

If A and B are two events such that  = 1/ 2 then the events A and B are

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#Question id: 14689

#Unit 13. Methods in Biology

A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or 1 only. The probability that value of the determinant chosen is

positive is

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#Question id: 14690

#Unit 13. Methods in Biology

One hundred identical coins each with probability p of showing up heads are tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equal to that of the heads showing in 51 coins, then the value of p is

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#Question id: 14691

#Unit 13. Methods in Biology

In a shooting competition, the probability of hitting the target by A is 2/5, by B is 2/3 and by C is 3/5. If all of them fire independently at the same target, calculate the probability that only one of them will hit the target.

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#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.