Answer Happy

For years the percentage of passengers with one or more pieces of carry-on luggage has been stable at 38%. Is there overwhelming evidence of an increase in the proportion of passengers with one or more pieces of carry-on luggage? The airline recently selected 300 passengers at random and determined that 148 possessed carry-on luggage.
m 14) The p-value above problem is: a) p-value is < .001 b).001< p-value < .01 c) .01<p-value<.025 d) .025<p-value<.05 e) .05<p-value<.10 f) p-value>.10 g) None of the above 15) Find the 95% confidence interval for p, the proportion of passengers with one or more pieces of carry-on luggage.