Answer:
95% confidence interval: (0.402,0.598)
Step-by-step explanation:
We are given the following in the question:
Proportion of student who voted Republican in the last election = 50%
Standard error = 5% = 0.05
95% confidence interval:
Putting values, we get,
is the required confidence interval.
The range of communication is about 55 meters.
Answer:
30
Step-by-step explanation: