A oft drink vending machine i et to dicharge an average of 215ml of cool drink per
cup. The amount dicharged i normally ditributed with tandard deviation 10ml.
(i) If 250ml cup are ued what proportion of cup overflow?
(ii) What i the probability that a cup contain at leat 200ml of cool drink?
(iii) What ize cup ought to be ued if it i deirable that only 2% of cup overflo