Math 221 week 7 quiz - Study guides, Class notes & Summaries
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MATH221 Week 7 Quiz (100% CORRECT ANSWERS).
- Exam (elaborations) • 14 pages • 2021
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MATH 221 Week 7 Quiz Question 1 (CO 4) From a random sample of 55 businesses, it is found that the mean time that employees spend on personal issues each week is 5.8 hours with a standard deviat ion of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? (5.74, 5.90) (5.71, 5.89) (5.73, 5.87) (5.72, 5.88) Question 1 (CO 4) From a random sample of 68 businesses, it is found that the mean time that employees spend on personal issues each week is 5.8 hour...
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MATH 221 Week 7 Quiz Statistics for Decision Making.
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MATH 221 Week 7 Quiz Statistics for Decision Making.
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MATH 221 Week 7 Quiz (2)- Statistics for Decision-Making.
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MATH 221 Week 7 Quiz (2)- Statistics for Decision-Making.
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MATH 221 WEEK 6 QUIZ (100% CORRECT ANSWERS) | Highly Rated Paper |100% correct
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(MATH 221 Week 6 Quiz) Question: (CO 5) A company claims that its heaters last more than 5 years. Write the null and alternative hypotheses and note which is the claim. Question: (CO 5) An executive claims that her employees spend no more than 2.5 hours each week in meetings. Write the null and alternative hypotheses and note which is the claim. Question: (CO 5) In hypothesis testing, a key element in the structure of the hypotheses is that the null hypothesis has the Question: (CO 5) A landscap...
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MATH 221 WEEK 6 QUIZ (100% CORRECT ANSWERS) | Highly Rated Paper | GRADED A.
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(MATH 221 Week 6 Quiz) Question: (CO 5) A company claims that its heaters last more than 5 years. Write the null and alternative hypotheses and note which is the claim. Question: (CO 5) An executive claims that her employees spend no more than 2.5 hours each week in meetings. Write the null and alternative hypotheses and note which is the claim. Question: (CO 5) In hypothesis testing, a key element in the structure of the hypotheses is that the null hypothesis has the Question: (CO 5) A landscap...
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Exam (elaborations) MATH221 Graded week 7 quiz (MATH221)MATH 221 Week 7 Quiz LATEST UPDATE 2022.
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(TCO 6) In the standard normal distribution, the standard deviation is always Student Answer: 0 1 2 none of these 2. Question : (TCO 6) The area under a normal curve with mu = 8 and sigma = 3 is Student Answer: 0 1 2 none of these 3. Question : (TCO 6) If Larry gets a 70 on a physics test where the mean is 65 and the standard deviation is 5.8, where does he stand in relation to his classmates? Student Answer: He is in the top 10%. He is in the top 20%. He is in the bottom 20%. He is in the botto...
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MATH 221 Week 7 Quiz (100% CORRECT ANSWERS)
- Exam (elaborations) • 23 pages • 2021
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Week 7 Quiz Question 1 2 / 2 pts (CO6) From a random sample of 68 businesses, it is found that the mean time that employees spend on personal issues each week is 4.9 hours with a standard devi ation of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? @See text page 301 (4.55, 5.25) (4.71, 5.09) (4.83, 4.97) Correct! (4.82, 4.98) Move To... Question 2 2 / 2 pts (CO6) If a confidence interval is given from 8.56 to 10.19 and the mean is known to be 9....
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MATH 221 Week 7 Quiz (GRADED A) Questions and Answer Elaborations | DeVry University
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MATH 221 Week 7 Quiz (CO6) From a random sample of 55 businesses, it is found that the mean time that employees spend on personal issues each week is 5.8 hours with a standard deviation of 0.35 hours. What is the 95% confidence interval for the amount of time spent on personal issues? @See text page 301 (5.71, 5.89) (5.72, 5.88) (5.73, 5.87) (5.74, 5.90) (CO6) If a confidence interval is given from 8.54 to 10.21 and the mean is known to be 9.375, what is the margin of error? @See text page 301 1...
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MATH 221 Quiz Week 7 : DeVry University, New York - Worth 60 Points.
- Exam (elaborations) • 19 pages • 2022
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WEEK 7: QUIZ 
Points 60 Questions 30 
Time Limit 120Minutes 
Instructions 
Here is some information about your quiz or exam. 
This quiz covers Weeks 5 and 6, Chapters 6 and 7, and Course Objectives (COs) 6 
and 7. 
This quiz has 30 multiple choice questions worth 2 points each for a total value of 60 
points. 
You have 120 minutes to finish this quiz. 
When the time limit is reached you will be exited from the exam. 
Attempt History 
Attempt Time Score 
LATEST Attempt 1 84 minutes 30 out of 60 
...
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Math 221 Week 7 Quiz Graded A Plus
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Math 221 Week 7 Quiz 
Math 221 Week 7 Quiz 
Math 221 Week 7 Quiz
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