1980-1980^4%
=1980-79.2
=$1900.8
The answer to your question is 5.100
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.
Answer: 1/8
Step-by-step explanation:
Multiply by the reciprocal which would be 1/2, so 1/4x1/2 would be 1/8