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Out of a group of 30 honest people, 20 a...

Out of a group of 30 honest people, 20 always speak the truth. Two persons are selected at random from the group. Find the probability distribution of the number of selected persons who speak the truth. Also, find the mean of the distribution.

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The correct Answer is:
`(##ARH_CHSE_ODI_13Y_SP_MAT_XII_C06_E03_027_A01##)`
:. `"Mean" = (116)/(87)`
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