5 According to Energy Trend January 2019 38 of the solar energy cells manufactured world wide are sold to China Consider a random sample of five solar energy cells and let x represent the number in the sample that are sold to China Below we show that the probability distribution for x is given by the formula E UNUL ERRAN VAHAKANK T SED OPE a Why X is a discrete random variable b Find p x for x 0 1 2 3 4 and 5 c Show that this is a well defined probability distribution