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Let X denote the number of scores which exceed 4 in 18, tosses of a symmetrical die. Consider the following statements:1. The arithmetic mean o f X is 6.2. The standard deviation ofX is 2.Which of the above statements is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about Let X denote the number of scores which exceed 4 in 18, tosses of a symmetrical die. Consider the following statements:1. The arithmetic mean o f X is 6.2. The standard deviation ofX is 2.Which of the above statements is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Let X denote the number of scores which exceed 4 in 18, tosses of a symmetrical die. Consider the following statements:1. The arithmetic mean o f X is 6.2. The standard deviation ofX is 2.Which of the above statements is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?.

Solutions for Let X denote the number of scores which exceed 4 in 18, tosses of a symmetrical die. Consider the following statements:1. The arithmetic mean o f X is 6.2. The standard deviation ofX is 2.Which of the above statements is/are correct ?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Defence. Download more important topics, notes, lectures and mock test series for Defence Exam by signing up for free.

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