Question 13 1 pts Researchers studying the link between prenatal vitamin use and autism surveyed the mothers of a random sample of children aged 24 - 60 months with autism and surveyed another separate random sample for children with typical development. Table summarizing the number of mothers in each group who did and did not use prenatal vitamins during the three months before pregnancy (data from Schmidt, 2011) Autism Typical Development Total No vitamin 111 70 181 Vitamin 143 159 302 Total 254 229 183 Which are the appropriate hypotheses to test for independence between the two variables, use of prenatal vitamins during the three months before pregnancy and autism? SELECT ALL THAT APPLY. O Ho : Pvitamin = Pno vitamin HA : Pvitamin # Pno vitamin O Ho : Pvitamin - Pno vitamin = 0 HA : Pvitamin - Pno vitamin Pno vitamin O Ho : Pvitamin = Pno vitamin HA : Pvitamin 0