Question

part A:   
Based on a random sample of 200 homeowner insurance claims, the length of time it takes until the insurance adjustor first contacts the homeowner follows a normal distribution with a mean of 4.5 hours and a standard deviation of 1.1 hours.

Create a 95% confidence interval for the population average amount of time it takes for the adjustor to first contact the homeowner. (Round your answers to 1 decimal place)
Confidence Interval: (___________), (__________) (round to one decimal place)

Part B:   A normal distribution has a mean of 61 and a standard deviation of 13.

(a) Which of the following are characteristics of the Normal distribution? Select all that apply.

Uniform, Skewed Left, Median is larger than mean,,,    Unimodal,, Symmetric,, Skewed Right, Mean is larger than median

(b) What is the median of this Normal distribution?________-

Answer 1

thank you.