case studies are your assessments in this course. Treat them as you would a test.
Case studies focus on the application of the material so be sure you are comfortable with the material and have reviewed the videos, particularly those that specify “Application”.
There are no time extensions for case studies so please don’t ask.
If your submission is not done on time you lose 10% each day that it is late.
You MUST use the equation editor in case studies. If you are having trouble with it there is a short video on how to use the equation editor (below)
You are only guaranteed one submission on a case study.
You get two submissions ONLY if you complete your first submission in its entirety by the due date. This means that if you haven’t given your best effort on the case study or don’t COMPLETE every question, you will NOT get a 2nd submission.
The 2nd submission should incorporate feedback from me.
On the 2nd submission you only have to redo questions that you missed as well as any fill-in-the-blank or matching questions.
For free response questions you got right on the first submission just write “correct” and I will go back to check that you got the points.
On the questions you must redo, I grade them as a new submission. This means if you leave a question blank that you previously earned partial points on, your overall score on the case study could be lower.
To find your feedback, go into your grade center, click on the assignment name (in blue) and then on the grade (in blue).
If you are having trouble finding your feedback please watch the second video (below)
Case studies are only available for 10 days following the due date so make sure your second submission is done by then.
Once the case study is no longer available you should be able to see the correct answers by clicking on the same place you do for your feedback.
When working on your final project, incorporate the feedback you received on case studies as well as the correct answers to achieve your maximum grade.
Description-This case study is an assessment covering material from modules 5 and 6.
Instructions-Complete each item of the case study in its entirety using the equation editor where appropriate. Be sure to submit the complete case study by the due date in order for your professor to offer you a second submission.
Multiple Attempts-This test allows multiple attempts.
All the needed info and readings are in the dashboard.
Dashboard details upon acceptance.
Please, upload the answers you’ve completed.
Description This case study is an assessment covering material from modules 5 and 6.
Instructions Complete each item of the case study in its entirety using the equation editor where appropriate. Be sure to submit the complete case study by the due date in order for your professor to offer you a second submission.
Multiple Attempts This test allows 2 attempts. This is attempt number 1.
Force Completion This test can be saved and resumed later.
Question Completion Status:
QUESTION 1
1. You are taking a short 4-question pop quiz over material you forgot to study for. Each question is multiple choice with 5 possible answers. These questions are fill-in-the-blank. Be sure that you write each solution as a decimal to 4 decimal places and include a leading zero. (Example “.179” should be written as “0.1790”).
a. The probability that you guess correctly on all 4 questions is __ __.
b. The probability that you guess incorrectly on all 4 questions is __ __.
c. The probability that you get at least one of the questions wrong is __ __.
d. The probability that your first correct question is on the 3rd question is __ __.
8 points
QUESTION 2
1. According to Science Daily, researchers have developed a new non-invasive technique which can accurately detect malignant melanoma without a biopsy. In their lifetimes 2.1% of Americans will develop malignant melanoma. The new test will correctly identify melanoma in 100% of cases where it is present, but gives a positive result in 9.1% of cases where it is not.
IMG here
Part 1 of 2:
Complete the tree diagram to determine each probability to four decimal places (including a leading zero).
a. __ __
b. __ __
c. __ __
d. __ __
8 points
QUESTION 3
1. Part 2 of 2:
Determine the probability that someone who tests positive actually has cancer. Show all work using the equation editor. Then comment (using complete sentences) on whether this test is a good alternative to biopsies. Be sure to use the appropriate probability notation at the beginning of your work.
Path: p
Words:0
6 points
QUESTION 4
1. According to the ASPCA 37% of all households in the US have a cat while 47% of all US households have a dog. Assume that 74% of households owns a cat or a dog.
IMG here
Complete the Venn diagram with the appropriate percentages (written as decimals to two decimal places). Include the leading zero.
a. __ __
b. __ __
c. __ __
d. __ __
8 points
QUESTION 5
1. Your math professor receives several student emails each day. The probability model shows the number of emails your professor receives from students in a given day.
# student emails 0 1 2 3 4 5
Probability 0.10 0.10 0.20 0.20 0.30 0.10
2. Part 1 of 3:
3. How many emails should your professor expect to receive daily? Show all work using proper notation within the equation editor. Let X = # of emails received.
Path: p
Words:0
4 points
QUESTION 6
1. Your math professor receives several student emails each day. The probability model shows the number of emails your professor receives from students in a given day.
# student emails 0 1 2 3 4 5
Probability 0.10 0.10 0.20 0.20 0.30 0.10
2. Part 2 of 3:
3. What is the standard deviation? Show all work using proper notation within the equation editor. Round your standard deviation to the nearest hundredth.
Path: p
Words:0
4 points
QUESTION 7
1. Your math professor receives several student emails each day. The probability model shows the number of emails your professor receives from students in a given day.
# student emails 0 1 2 3 4 5
Probability 0.10 0.10 0.20 0.20 0.30 0.10
2. Part 3 of 3:
3. If it takes your professor an average of 7 minutes to reply to each email, how much time should s/he expect to spend responding to emails daily?
Path: p
Words:0
4 points
QUESTION 8
1. According to LiveScience.com, 41% of the US population has Type O blood. Answer the following questions regarding a Bellevue University blood drive.
Part 1 of 2:
What is the probability that exactly 7 of the first 20 blood donors have Type O blood? Show all work including proper notation in the equation editor. Round your result to four decimal places.
Path: p
Words:0
4 points
QUESTION 9
1. According to LiveScience.com, 41% of the US population has Type O blood. Answer the following questions regarding a Bellevue University blood drive.
Part 2 of 2:
What is the probability that at least 3 of the first 7 blood donors have Type O blood? Show all work including proper notation in the equation editor. Round your result to four decimal places.
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