Reference no: EM131435465
In a random sample of 175 community college students, the mean number of hours spent studying per week is 13.7 hours and the standard deviation is 4 hours.
a) Find the standard score (z-score) for students who study the following hours in a particular week. Round Z to the nearest hundredth andinterpret the meaning of each answer as it pertains to this problem.
i) 22 hours
ii) 6 hours
b)Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study between 9.7 and 17.7 hours per week?
c) Assuming the distribution of the number of hours community college students study per week is normally distributed, approximately how many of the students in the sample study less than 5.7 hours per week?
d) Without assuming anything about the distribution of the number of hours community college students study per week, at least what percentage (approximately) of the students study between 7.3 and 20.1 hours per week?
e) Without assuming anything about the distribution of the number of hours community college students study per week, at most what percentage of the students study less than 1.7 hours or more than 25.7 hours per week?
|
Demonstrates a moral or ethical dilemma
: Explain the ethical dilemma in your own words and explain whether or not the story relates to an ethical theory or code
|
|
Determining the choices for dessert
: A restaurant offers a $12 dinner special that has 5 choices for an appetizer, 10 choices for entrees, and 4 choices for dessert. How many different meals are available if you select an appetizer, an entrée and a dessert?
|
|
What is the mission of the health care organization
: Pick a health services organization that you may work for or with which you are familiar. It can be a local or national organization. Research the organization by visiting its website and, if possible, its location. Research the industry in which ..
|
|
Amount of the first part of the investment
: What is the amount of the first part of the investment? What is the amount of the second part of the investment? What is the amount of the third part of the investment?
|
|
Mean number of hours spent studying per week
: In a random sample of 175 community college students, the mean number of hours spent studying per week is 13.7 hours and the standard deviation is 4 hours. a) Find the standard score (z-score) for students who study the following hours in a partic..
|
|
Conduct of ethical research and no software
: Suppose there were no rules for conduct of ethical research and no software to detect plagiarism. Would it matter? Why or why not? Discuss
|
|
What is a type i error what is a type ii error
: What is a type I error? What is a type II error? Is one always more serious than the other? Why?
|
|
Define the 4 ps and describe how you will use to promote
: As marketing manager of a leading health care organization, you are developing a marketing strategy to inform potential patients about how you provide the best patient experience. As part of your strategy, you will use the 4 Ps of marketing. Defin..
|
|
Proportion of people that plan on voting in next election
: Suppose that a survey about voting was conducted of 45 randomly selected individuals from Gainesville. The respondents were asked if they planned on voting in the next election. Thirty-five people said that they did plan on voting. Which of the fo..
|