Question
3. (05.02 MC) The amount people who pay for cable service varies quite a bit, but the mean monthly fee is $198 and the standard
3.
(05.02 MC)
The amount people who pay for cable service varies quite a bit, but the mean monthly fee is $198 and the standard deviation is $37. The distribution is not Normal. Many people pay about $76 for basic cable and about $160 for premium service, but some pay much more. A sample survey is designed to ask a simple random sample of 1,000 cable service customers how much they pay. Let x be the mean amount paid.
Part A: What are the mean and standard deviation of the sample distribution of x? Show your work and justify your reasoning. (4 points)
Part B: What is the shape of the sampling distribution of x? Justify your answer. (2 points)
Part C: What is the probability that the average cable service paid by the sample of cable service customers will exceed $205? Show your work. (4 points) (10 points)
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started