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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- CSIR NET
- Life Sciences
To next generation. weismann cut off the tails of rats for as a allowed them to breed, but tailless rats were never bor a ques. the u and o of wing length (a no
to next generation. Weismann cut off the tails of rats for as a allowed them to breed, but tailless rats were never bor a Ques. The u and o of Wing length (a normally distributed parameter) in a popuia lies are are 4 and 0.2 mm respectively. In a random sample of 400 fruitflies, how many ina expected to have wing lengths greater than 4.4 mm ? (CSIR NET June 2011) (A) 20 (B) 64 (C) 10 (D) 335 Ans. (D The curve plotted with the help of data of normal distribution presents a Del-siape rmal distribution presents a bell-shaped ac narmal distribution curve. It shows that the mean value of the sbservations lie at this
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Anup Padwal![best-answer]()
No.. Answer is 20. because 1 sigma is 0.2, so the population asked ranges more than 2 sigma i.e. above 0.4. in that population of 5% of individuals are present. 5% of 400 is 20.