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In a quality test, 1500 mobile chargers were checked.
The experimental probability of a charger being 'good' was 0.96.
Of the defective ones, 20% had a cable fault.
How many chargers had a cable fault?

Class 9Experimental ProbabilityStatistics
  • A24
  • B11
  • C13
  • D12

Step-by-Step Solution

Defective , so defective = . Cable fault = 20% of 60 = 12.
Answer: D) 12

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