<prompt> A researcher draws unbiased sample of 100 adult delhites and find that their mean weight is 72 kg with a standard detion of 1.5. 95 of wt of delhites shall be between:66 and 78 kg69 and 75 kg70.5 and 73.5 kgNone of the above  <response>: In the given question, n 100 adult Delhites, mean weight u 72kg, standard detion SD 1.5 95 wt of delhites Mean - 2SD u - 2SD 72 - 2 1.5 72 - 3 bw 69 75 kg wt 