Question #349585

The United States Department of Agriculture reports that, under its standard inspection system one in every 100 slaughtered chickens passes inspection for faecal contamination. Find the probability that, in a random sample of 6 slaughtered chickens, at least one passes inspection for faecal inspection.


1
Expert's answer
2022-06-12T14:54:33-0400

Let X=X= the number slaughtered chickens passed inspection for faecal contamination: XBin(n,p).X\sim Bin (n, p).

Given n=6,p=0.01.,q=1p=0.99.n=6, p=0.01., q=1-p=0.99.


P(X1)=1P(X=0)P(X\ge 1)=1-P(X=0)

=1(60)(0.01)0(0.99)60=1-\dbinom{6}{0}(0.01)^{0}(0.99)^{6-0}

=0.058519850599=0.058519850599


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