please answer the following :)

12. It is currently accepted that \"there is no relationship between vaccines and autism rates in children\" (www.cdc.gov). Nevertheless, there remains debate on this topic and numerous studies are conducted each year to investigate the relationship between vaccines and other health problems. A sample of children with autism will be surveyed. b. (5 points) If the proportion of vaccinated children with autism in the population is estimEtted to be U1 ,000 (www.nejm.org), show how you would determine the minimum number of vaccinated children with autism that must be surveyed to ensure the sampling distribution of vaccinated children is approximately normal? As part of your answer, state the minimum sample size necessary to assume normality