Answer: 95% confidence interval would be (0.344,0.456).
Step-by-step explanation:
Since we have given that
n = 295
x = 118
so, 
At 95% confidence, z = 1.96
So, margin of error would be

so, 95% confidence interval would be

Hence, 95% confidence interval would be (0.344,0.456).
Answer:
it can help you with answer a math problem
Step-by-step explanation:
12(months) x 20 (years) = 240
10.98 x 240 = 2635.20
So Arthur will pay $2635.20 over 20 years for premium.
I hope this helps :)