Funding
In 2005, a survey developed by Babson College and the Association of Women's Business Centers (WBCs) was distributed to WBCs in the United States. Of a representative sample of 20 WBCs, 40% reported that they had received funding from the national Small Business Association (SBA).
a) Check the assumptions and conditions for inference on proportions.
b) If it's appropriate, find a 90% confidence interval for the proportion of WBCs that receive SBA funding. If it's not ap- propriate, explain and/or recommend an alternative action.