Solar energy cells. According to the Earth Policy Institute (July 2013), 60% of the...

Solar energy cells. According to the Earth Policy Institute (July 2013), 60% of the world’s solar energy cells are manufactured in China. Consider a random sample of 5 solar energy cells, and let x represent the number in the sample that are manufactured in China. In Section 4.4, we show that the probability distribution for x is given by the formula