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.

like many students at university, you may be unhappy about the results you attain in exams. you may feel that even with all you are doing there must be something more -- or different-- you could be doing to get better grades. we have all at some time or other heard of that student who only studies a couple of hours for final exams and scores a's every time. we stand in awe of those who seem to breeze through without undue effort and seem to need very little in the way of studying to nail an exam. the reasons for success, in what i think are the vast majority of cases, are less esoteric than many students think: successful students consistently apply a series of productive strategies with view to attaining clearly identified learning and grade goals throughout the academic term.

answer: in linguistic analysis, a phrase is a group of words (or possibly a single word) that functions as a constituent in the syntax of a sentence, a single unit within a grammatical hierarchy. a phrase typically appears within a clause, but it is possible also for a phrase to be a clause or to contain a clause within it.

explanation: