α helices are common components of polypeptide chains, they need to be of a certain minimum length of then which of the following graph is correctly representing that certain minimum length condition

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#Question id: 14502

#Unit 13. Methods in Biology

The chances of a person being alive who is now 35 years old, till he is 75 are 8 : 6 and of another person being alive now 40 years old till he is 80 are 4 : 5. The probability that at least one of these persons would die before completing 40 years hence is

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#Question id: 14503

#Unit 13. Methods in Biology

If 10 coins are tossed 100 times, how many times would you expect 7 coins to fall head upward ?

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#Question id: 14504

#Unit 13. Methods in Biology

If the probability of a defective bolt is 0.1, the mean and standard deviation for the distribution of defective bolts in a total of 500 are

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#Question id: 14505

#Unit 13. Methods in Biology

Two cards are drawn with replacement from a well shuffled deck of 52 cards. The mean and standard deviation for the number of aces are

Probability distribution table

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#Question id: 14506

#Unit 13. Methods in Biology

In a Binomial distribution, the mean and standard deviation are 12 and 2 respectively. The values of n and p are respectively.

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#Question id: 14507

#Unit 13. Methods in Biology

For a biased die the probabilities for different faces to turn up are given below.

The die is tossed and you are told that either face 1 or face 2 has turned up. The probability that it is face 1 is