Customers are considered very satisfied with the XYZ Box video game system if the mean of the population of all satisfaction ratings is higher than 50. Assume that the standard deviation of the population of all satisfaction ratings is 4.64.
a. If the population mean of all satisfaction ratings is 50, what is the probability of observing a random sample of 80 satisfaction ratings with a mean greater than or equal to 51.45?
b. We have actually observed a random sample of 80 satisfaction ratings with a mean of 51.45. What do you conclude about whether customers are very satisfied with the XYZ Box video game system?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Customers are considered very satisfied with the XYZ Box video game system if the mean of the population of all satisfaction ratings is ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
How to get 3.6 when the question is 7 - 3 2/5
Answers (1)
What 5/7 of a number is 110 what is the number
Answers (1)
Which expression represents the area of triangle ABC in square meters? Triangle A B C has a base of 57 meters and a height of 14 meters. One-half times 14 times 57 One-half times 14 times 64 One-half times 24 times 40 One-half times 24 times 57
Answers (1)
4x - 3y = 83 2x - 3y = 43 According to the system of equations above, what is the value of y?
Answers (1)
Robert wants to install windows in a bus barn to improve the airflow in the summer months. If Robert makes his own screens, he can save money.
Answers (1)
New Questions in Mathematics
Factor the expression completely: x^3-27y^3
Answers (1)
The regular price of a child's entry ticket to a water park is $9 less than that for an adult's. The park offers half off all entry tickets during the off-peak season.
Answers (2)
Hannah has 89 of a pound of birdseed. She put 23 of a pound of birdseed into her bird feeders. How much birdseed does Hannah have remaining?
Answers (1)
What are two methods to find the output of an input of 200?
Answers (1)
Lucas owed his friend $12. He got some money babysitting and was able to pay his friend back $8. What is his balance now?
Answers (2)