1.

Two balanced dice are tossed 500 times. If sum of integersobtained on dice is 9 will be the success then …….and ……….are the mean and variance of success.

Answer»

`(500)/(9) and (4000)/(81)`
`(1)/(9) and (8)/(9)`
`(4000)/(81) and (500)/(9)`
`(500)/(9) and (4000)/(9)`

ANSWER :A


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