Scrap

From 19 products are 4 scraps. What is the probability that the random pick of 2 products has no defective product?

Correct answer:

p =  0.614

Step-by-step explanation:

n=19 z=4  p1=nnz=19194=19150.7895 p2=n1nz1=1911941=970.7778  p=p1 p2=0.7895 0.7778=5735=0.614



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