Question

Let X1, ..., X65 are a random sample from chi-square distribution with 14 degrees of freedom....

Let X1, ..., X65 are a random sample from chi-square distribution with 14 degrees of freedom.

1. What is the exact distribution of X1 + ... + X65? State the name and the value of the parameter

2. What is the approximate distribution of X1 + ... + X65? State the name and the value of the parameter

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