The items produced by a firm are supposed to contain 5% defective items. The probability that a sample of 8 items will contain less than 2 defective items, is [MP PET 1993]

\[\frac{533}{400}\,{{\left( \frac{19}{20} \right)}^{6}}\]

\[\frac{27}{20}\,{{\left( \frac{19}{20} \right)}^{7}}\]

\[\frac{153}{20}\,{{\left( \frac{1}{20} \right)}^{7}}\]

\[\frac{35}{16}\,{{\left( \frac{1}{20} \right)}^{6}}\]

The items produced by a firm are supposed to contain 5% defective item

1.	The items produced by a firm are supposed to contain 5% defective items. The probability that a sample of 8 items will contain less than 2 defective items, is [MP PET 1993]
A.	\[\frac{27}{20}\,{{\left( \frac{19}{20} \right)}^{7}}\]
B.	\[\frac{533}{400}\,{{\left( \frac{19}{20} \right)}^{6}}\]
C.	\[\frac{153}{20}\,{{\left( \frac{1}{20} \right)}^{7}}\]
D.	\[\frac{35}{16}\,{{\left( \frac{1}{20} \right)}^{6}}\]
Answer» B. \[\frac{533}{400}\,{{\left( \frac{19}{20} \right)}^{6}}\]

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The items produced by a firm are supposed to contain 5% defective items. The probability that a sample of 8 items will contain less than 2 defective items, is [MP PET 1993]

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