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A random variable X has the probability distribution:
Then the value of k is:​
  • a)
    – 1
  • b)
    1/5
  • c)
    1/10
  • d)
    1/7
Correct answer is option 'C'. Can you explain this answer?
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A random variable X has the probability distribution:Then the value of...
The sum of all P(x) should be 1
Solving you will get K=-1 and 1/10
But probability cannot be negative hence k=1/10
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A random variable X has the probability distribution:Then the value of k is:​a)– 1b)1/5c)1/10d)1/7Correct answer is option 'C'. Can you explain this answer?
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