Its meant to be answered using R Statistical Software

A company manufactures plastic bottles where the volume capacity of bottles is normally distribution with mean 330' ml and variance 289. [i] Ifa plastic bottle is randomly selected, what is the probability it has a volume capacity equal to 295 ml? [ii] What probability of bottles have a volume capacity greater than 350 ml? [iii] What probability of bottles have a volume capacity between 30D ml and 400 ml? [iv] What maximum volume capacity is required to be in the bottom 35%