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Let X be a randon variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ –1) = P(Y ≥ 2) the standard deviation of Y is
  • a)
    3
  • b)
    2
  • c)
    √2
  • d)
    1
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Let X be a randon variable following normal distribution with mean +1 ...

given 
Convert into standard and normal variates,

 ...(i)
Now since us know that in standard normal distribution, 
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Community Answer
Let X be a randon variable following normal distribution with mean +1 ...

given 
Convert into standard and normal variates,

 ...(i)
Now since us know that in standard normal distribution, 
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Let X be a randon variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ –1) = P(Y ≥ 2) the standard deviation of Y isa)3b)2c)√2d)1Correct answer is option 'A'. Can you explain this answer?
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Let X be a randon variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ –1) = P(Y ≥ 2) the standard deviation of Y isa)3b)2c)√2d)1Correct answer is option 'A'. Can you explain this answer? for Mathematics 2024 is part of Mathematics preparation. The Question and answers have been prepared according to the Mathematics exam syllabus. Information about Let X be a randon variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ –1) = P(Y ≥ 2) the standard deviation of Y isa)3b)2c)√2d)1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mathematics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Let X be a randon variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ –1) = P(Y ≥ 2) the standard deviation of Y isa)3b)2c)√2d)1Correct answer is option 'A'. Can you explain this answer?.
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