2. (10pts) There is an urn containing 10 marbles numbered 1 to 10. We sample 4 marbles without replacement (a) Express t
Posted: Sun Sep 05, 2021 5:10 pm
2. (10pts) There is an urn containing 10 marbles numbered 1 to 10. We sample 4 marbles without replacement (a) Express the sample space. (b) Let E be an event that the 4 marbles contain number 1 and 2. Express the event E, and calculate how many elements E contains