A market analyst is curious what proportion of Los Angeles residents have a landline telephone. A survey of 200 randomly selected Los Angeles residents shows that 48% percent of those selected have a landline telephone. The analyst wants to use this data to construct a one-sample z interval for a proportion. Which conditions for constructing this confidence interval did their sample meet?
Choose all answers that apply:
(Choice A)
The data is a random sample from the population of interest.
(Choice B)
The observed counts of successes and failures are both sufficiently large.
(Choice C)
Individual observations can be considered independent.