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X1, X2, .... Xn are independent observations on the random variable X with distribution function F(x). Then the distribution function of Y = Max (X1, X2, ..., Xn) is
  • a)
    [F(x)]n
  • b)
    1 - [F(x)]n
  • c)
    1 - [1 - F(x)]n
  • d)
    [1-F(x)]n
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
X1,X2, .... Xn are independent observations on the random variable X w...
[F(x)]n
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Most Upvoted Answer
X1,X2, .... Xn are independent observations on the random variable X w...
Explanation:

Distribution function of Y:
- The random variable Y represents the maximum of n independent observations.
- The probability that Y is less than or equal to a particular value y is the same as the probability that each of the n observations is less than or equal to y.
- Since the observations are independent, the probability that all n observations are less than or equal to y is just the product of the individual probabilities.
- Therefore, the distribution function of Y is the nth power of the distribution function of X.

Answer:
- Therefore, the distribution function of Y = Max(X1, X2, ..., Xn) is [F(x)]n.
- This means that the probability that Y is less than or equal to a particular value y is equal to [F(y)]n, where F(y) is the distribution function of X.
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Community Answer
X1,X2, .... Xn are independent observations on the random variable X w...
Explanation:

Distribution function of Y:
- The distribution function of Y = Max(X1, X2, ..., Xn) is the probability that Y is less than or equal to a particular value y.

Probability that Y <=>
- The probability that Y is less than or equal to y is the probability that all of the observations X1, X2, ..., Xn are less than or equal to y.
- Since X1, X2, ..., Xn are independent observations, the probability that all of them are less than or equal to y is the product of their individual probabilities.
- Therefore, the distribution function of Y is [F(y)]n, where F(y) is the distribution function of X.

Final Answer:
- Therefore, the correct answer is option 'A': [F(y)]n.
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X1,X2, .... Xn are independent observations on the random variable X with distribution function F(x). Then the distribution function of Y = Max (X1, X2, ..., Xn) isa)[F(x)]nb)1 - [F(x)]nc)1 - [1 - F(x)]nd)[1-F(x)]nCorrect answer is option 'A'. Can you explain this answer?
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