Eyeglassomatic manufactures eyeglasses for different retailers. In March 2010 they tested to see how many defective lenses they made, and there were 16.9% defective lenses due to scratches. Suppose Eyeglassomatic examined twenty eyeglasses. a.) State the random variable. b.) Write the probability distribution. c.) Draw a histogram d.) Describe the shape of the histogram e.) Find the mean. f.) Find the variance. g.) Find the standard deviation