In 2015, about 68.3% of American children were able to get a combined 7-vaccine series1 by the age of 24 months. 1vaccine against diphtheria/tetanus/pertussis, polio, measles/mumps/rubella, Hepa-B, Hib, Chickenpox, PCV [Source: Centers for Disease Control and Prevention. FastStats - IMMUNIZATION. (2021, March 01). Retrieved from https://www.cdc.gov/nchs/fastats/immunize.htm] If you take a random sample of 100 American children, what is the expected value and standard error of the proportion of children who got the vaccine bundle by age 24 months? Question 15 options: A) EV = 6830; SE = 6.83 B) EV = 0.683; SE = 0.05 C) EV = 68.3; SE = 4.65 D) EV = 7; SE = 70 E) EV = 24; SE = 240