Use the results from a survey of a simple random sample of 1256 adults. Among the 1256 ​respondents, ​87% rated themselves as above average drivers. We want to test the claim that 3/4  of adults rate themselves as above average drivers. Complete parts​ (a) through​ (c).   a.   Identify the sample proportion and use the symbol that represents it. b.   For the hypothesis​ test, identify the value used for the population proportion and use the symbol that represents it.

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