CSIR NET
Ashutosh Asked a Question
September 27, 2020 5:53 pmpts 30 pts
  • CSIR NET
  • Life Sciences

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
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  • Anup Padwal thankyou
    20 Refer Impirical rule for detail understanding. Given, Mean 4 Standard Deviation 0.2 So range at 1sigma i.e 68% = 3.8 to 4.2 at 2 sigma i.e 95% = 3.6 to 4.4 So remaining 5% popu...
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