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In a sample survey of 640 people, it was found that 400 people have a secondary school certificate. If a person is selected at random, the probability that the person does not have such certificate isa)0.625b)0.875c)0.375d)0.725Correct answer is option 'C'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about In a sample survey of 640 people, it was found that 400 people have a secondary school certificate. If a person is selected at random, the probability that the person does not have such certificate isa)0.625b)0.875c)0.375d)0.725Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a sample survey of 640 people, it was found that 400 people have a secondary school certificate. If a person is selected at random, the probability that the person does not have such certificate isa)0.625b)0.875c)0.375d)0.725Correct answer is option 'C'. Can you explain this answer?.

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