Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. a survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. construct the 95% confidence interval for the true proportion of all voters in the state who favor approval. a. 0.444 < p < 0.500 b. 0.438 < p < 0.505 c. 0.471 < p < 0.472 d. 0.435 < p < 0.508

 Option 'c' is correct.

Step-by-step explanation:

Since we have given that

Sample size = 865 = n

Number of voters favor approval of an issue before the legislature = 408 = x

So,

At 95% confidence level of significance, z = 1.96

So, confidence interval would  be

Hence, option 'c' is correct.

if you was gonna solve for a, a is a   < -12

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