Thirty percent of the students in the local elementary school are classified as only children (no siblings).

Question:

Thirty percent of the students in the local elementary school are classified as only children (no siblings). However, in the special program for talented and gifted children, 43 out of 90 students are only children. Is the proportion of only children in the special program significantly different from the proportion for the school? Test at the .05 level of significance.