There are 318 teachers at a college. Among a sample of 115 teachers from this college, 67 have doctorates.

There are 318 teachers at a college. Among a sample of 115 teachers from this college, 67 have doctorates. Based on this sample, estimate the population proportion of teachers at this college with doctorates.

.42

185

0.61

0.58. are the answers to choose from.

My answer is 0.61

Thanks for your help