A report gives a 95% confidence interval for the proportion of residential units (houses, apartments, etc.) in Montgomery County that have a dedicated parking space, based on
a study involving a random sample of 800 units. Which of the following statements is a
proper interpretation of the 95% confidence interval?
☐ I am 95% sure that this interval will contain the proportion of units in Montgomery
County that have a dedicated parking space.
☐ I am 95% sure that this interval will contain the proportion of units among the
sample of 800 that have a dedicated parking space.
☐ The probability is 95% that the proportion of units in Montgomery County that have
a dedicated parking space is within this interval.
☐ 95% of the units within Montgomery County will have dedicated parking spaces.