Q23. About 34% of workers in the United States are college graduates. You randomly select 50 workers and ask them if they are a college graduate. Let x count the number of workers who are college graduates. (a) Write the notation for the distribution that defines X. (b) Find the probability that between 10 and 20 workers are college graduates. "Show proper notation and shade accordingly. Diiton Pl Q15. Given X~U (1,7) Find the pdf (a) f(x) = 6 (b) f(x) = (c) f(x) = (d) f(x) = 7 Q16. Given X is a continuous random variable on [1,3] Find P(X=2). (a) 0 (b).5 (c) 1 (d) not enough information