From a group of 2 boy and 3 girls, two children are selected at random. Describe the events. A = both selected children are girls. B= the selected group consists of one boy and one girl. C= at least one boy is selected. Which pairs (s) of events is (are) mutually exclusive?

Explanation

`.^5C_2=10`

`S:{B_1B_2,B_1G_1,B_1G_2,B_1G_3,B_2G_1,B_2G_2,B_2,G_3G_1,G_2G_2,G_3G_2,G_3}`
`A:{G_1G_2,G_1G_3,G_2G_3}`

`B:{B_1G_1,B_1G_2,B_1G_3,B_2G_1,B_2G_2,B_3G_3}`

`C:{B_1B_2}`

`AnnB=phi`

`AnnB=phi`

`AnnC=phi`

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