Question

The first three moments of a distribution about the value 2 of the variable are 1, 16, and -40 . Then which of the following is correct *
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

The traffic lights at three different road crossing change after every 1-08 seconds,

135 seconds, L62 seconds respectively. lf they change simultaneously at 7 a.m. at

what time will they change simultaneously again?