Question

The probabilities of a machine manufacturing 0,1,2,3,4,5 defective parts ln one day are 0.50, 0.22,0.19, 0.025, 0.06 and 0.005 respectively. Find the mean of the probability distribution

Answer 1

$μ=0\cdot0.50+1\cdot0.22+2\cdot0.19+3\cdot0.025+$

$+4\cdot0.06+5\cdot0.005=0.94.$