Question: If X has a (????) distribution and we know that the standard deviation of X is three times higher than its mean, then the value

If X has a (????) distribution and we know that the standard deviation of X is three times higher than its mean, then the value of ???? is

(a) 1∕9 (b)1∕3

(c) 1

(d) 3

(e) 9

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