A survey of 320 homeless persons showed that 78 were veterans. A 99% confidence interval for the population proportion of homeless persons who are veterans is: (0.182, 0.306).


a. With 90% confidence, the mean number of homeless veterans is between 18.2 and 30.6.

b. I am 99% confident that the proportion of the sampled homeless persons who are veterans is between 0.182 and 0.306.

c. I am 99% confident that the proportion of all homeless persons who are veterans is between 0.182 and 0.306.

d. 99% of veterans are homeless between 18.2% and 30.6% of the time.

e. Between 18.2% and 30.6% of veterans are homeless.