The answer is 3 because 1/3 of 3 is 1 and 1/3 of 9 is 3 and 3 times 1 is 3
Answer: 3
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Answer: 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.
Standard error (SE)
Or
Therefore, SE of the mean = (8)/(2) =4