The answer is C.
It’s C because if you add the marble back to the bag you have a 4:5 chance of adding the white marble again, hence giving you another white marble in the bag to pick
That's a weird question.. i'm not sure whether it's asking for the amount of full movies watched or not, so if it means watching one the full way through, only one. if it means how much did she watch in general, than 1 1/6, or 7/6 in improper form. hopefully this helped!
