A number is selected at random from the ...

A number is selected at random from the numbrs 2,5,5,7,7,7, 9,9,9,9. The probability that the selected number is their average is `1/(10)` (b) `3/(10)` (c) `7/(10)` (d) `9/(10)`

A

`1/4`

B

`1/3`

C

`4/9`

D

`3/10`

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The correct Answer is:

D

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