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The probability density function of X, the lifetime of a certain type of electronic device (measured in hours), is given by,
then which of the following holds ?
  • a)
    P(X > 20) = 0.5
  • b)
    P(X< 20) = 0.5
  • c)
    The cumulative distribution function of X is 
  • d)
    All of these
Correct answer is option 'A,C'. Can you explain this answer?
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The probability density function of X, the lifetime of a certain type of electronic device (measured in hours), is given by,then which of the following holds ?a)P(X > 20) = 0.5b)P(X< 20) = 0.5c)The cumulative distribution function of X is d)All of theseCorrect answer is option 'A,C'. Can you explain this answer?
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