Question: The average mileage rating of an Astro model car is 36 mpg with a standard deviation of 3 mpg. Assume a normal distribution. (2 pts each)

a. What is the probability that one randomly selected Astro will have a rating greater than 34 mpg?

b. What is the probability that the mean rating for a sample of 81 Astro cars will have a rating greater than 34 mpg?

Describe the sampling distribution of including the shape, mean, and standard deviation (standard error). x

c. Shape

d. Mean: _________________________________________

e. Standard Error: __________________________________