Suppose the average mileage rating (in miles per gallon) of a particular model car is 28 mpg with a standard deviation of 8 mpg. A random sample of 64 cars of this model is selected.
Find the mean of the sampling distribution.
______________
Find the standard deviation.
______________
What is the probability that the sample mean exceeds 30 mpg?
______________
Correct Answer:
Verified
Q122: A cluster sample is a simple random
Q123: The amount of money spent on food
Q124: Graduate students applying for entrance to many
Q125: Stratified random sampling involves selecting a simple
Q126: Random samples of size n were selected
Q128: If a sample of n elements is
Q129: An accountant reviewed a firm's billing for
Q130: Suppose a random sample of 25 students
Q131: A newspaper is trying to decide which
Q132: There are four ways of selecting a
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents