HELP ME PLZ

Marta has a bag of 10 orange blocks and 10 purple blocks she selected a block with out looking and return it to the bag she repeats this 20 times ( which charts show result that are most likely )

HELP ME PLZ Marta has a bag of 10 orange blocks and 10 purple blocks she selected a block with out looking and return it to the bag she repeats this 20 times wh class=