The quality-control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of ten syringes taken from the batch. Suppose the batch contains 1% defective syringes.   (a) Make a histogram showing the probabilities of  r = 0, 1, 2, 3,   ,  9 and 10 defective syringes in a random sample of ten syringes. A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below. 0: 0.31 1: 0.39 2: 0.21 3: 0.07 4: 0.02 5: 0 6: 0 7: 0 8: 0 9: 0 10: 0   A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below. 0: 0.18 1: 0.33 2: 0.29 3: 0.15 4: 0.05 5: 0.01 6: 0 7: 0 8: 0 9: 0 10: 0   A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below. 0: 0.9 1: 0.09 2: 0 3: 0 4: 0 5: 0 6: 0 7: 0 8: 0 9: 0 10: 0   A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below. 0: 0.54 1: 0.34 2: 0.1 3: 0.02 4: 0 5: 0 6: 0 7: 0 8: 0 9: 0 10: 0 (b) Find ?. (Enter your answer to two decimal places.) ? =  syringes What is the expected number of defective syringes the inspector will find? (Enter your answer to two decimal places.)  syringes (c) What is the probability that the batch will be accepted? (Round your answer to three decimal places.)   (d) Find ?. (Round your answer to three decimal places.) ? =  syringes

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Chapter1: Combinatorial Analysis
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The quality-control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of ten syringes taken from the batch. Suppose the batch contains 1% defective syringes.
 
(a)
Make a histogram showing the probabilities of 
r = 0, 1, 2, 3,   ,
 9 and 10 defective syringes in a random sample of ten syringes.
A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below.
  • 0: 0.31
  • 1: 0.39
  • 2: 0.21
  • 3: 0.07
  • 4: 0.02
  • 5: 0
  • 6: 0
  • 7: 0
  • 8: 0
  • 9: 0
  • 10: 0
 
A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below.
  • 0: 0.18
  • 1: 0.33
  • 2: 0.29
  • 3: 0.15
  • 4: 0.05
  • 5: 0.01
  • 6: 0
  • 7: 0
  • 8: 0
  • 9: 0
  • 10: 0
 
A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below.
  • 0: 0.9
  • 1: 0.09
  • 2: 0
  • 3: 0
  • 4: 0
  • 5: 0
  • 6: 0
  • 7: 0
  • 8: 0
  • 9: 0
  • 10: 0
 
A histogram has a horizontal axis labeled r with values from 0 to 10 and a vertical axis labeled P(r) with values from 0 to 1. The histogram has 11 bars. Each bar is associated with a label and an approximate value as listed below.
  • 0: 0.54
  • 1: 0.34
  • 2: 0.1
  • 3: 0.02
  • 4: 0
  • 5: 0
  • 6: 0
  • 7: 0
  • 8: 0
  • 9: 0
  • 10: 0
(b)
Find ?. (Enter your answer to two decimal places.)
? =  syringes
What is the expected number of defective syringes the inspector will find? (Enter your answer to two decimal places.)
 syringes
(c)
What is the probability that the batch will be accepted? (Round your answer to three decimal places.)
 
(d)
Find ?. (Round your answer to three decimal places.)
? =  syringes
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