9. Two dice (black and white) are rolled. Test if the following events are independent: A: Black die rolls a 1, 2, or 6 B: White die rolls a 3, 4, 5 or 7 C: The sum of the rolls is 7 10. A biased coin, in which the likeliness of landing on heads is three times more than tails, is tossed 100 times. Find the number of times we can expect the coin to land on heads. 11. Little Red Riding Hood carried her grandma's sewing basket which contained 8 balls of cotton: 4 green, 3 red and 1 yellow. Three cotton balls are randomly selected from the basket. Let the

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