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If the mean & variance of binomial variate \(x\) for \(n = 4\) are 2 and 1 respectively, then the probability that \(x\) takes a value greater than 1 is
Updated Tue, 13 Nov 2018 04:33 pm
A heavy body of mass 25 kg is to be dragged along a horizontal plane (µ= 1/√3). The least force required is (1 kgf= 9.8 N). (a) 25 kgf (b) 2.5 kgf (c) 12.5 kgf (d) 6.25 kgf
Updated Tue, 13 Nov 2018 04:31 pm