A study claims that 30 of children under the age of 13 in British Columbia have not been vaccinated from the chicken pox A survey of randomly selected residents of a certain city included 650 children who were under the age of 13 and 215 of them were not vaccinated Part a What is the approximated probability that sample proportion of non vaccinated children in a sample of 650 children is more than 215 650 Please carry answers to at least six decimal places in intermediate steps Give your final answer to the nearest four decimal places Part b Is the number of non vaccinated children in this city sample unusually high low or neither Answer High