MATH 221 Statistics For Decision Making (MATH221)
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MATH 221 Statistics for decision making week 3 quiz chapters 1,2,& 3 (100% VERIFIED ANS)
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MATH 221 Statistics for decision making week 3 quiz chapters 1,2,& 3 (100% VERIFIED ANS)
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MATH 221 Statistics for decision making week 3 quiz chapters 1,2,& 3 (DeVry University)
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MATH 221 Statistics for decision making week 3 quiz chapters 1,2,& 3 (DeVry University)
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MATH 221 WEEK 6 QUIZ (100% CORRECT ANSWERS) | (GRADED A) Question and answer Solution | DeVry University.
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(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. 
Ho: μ = 5 (claim), Ha: μ ≥ 5 Ho: μ > 5 (claim), Ha: μ ≤ 5 
Correct Answer 
 
 
 
Ho: μ ≤ 5, Ha: μ < 5 (claim) 
 
 
(CO 5) An executive claims that her employees spend no less than 2.5 hours each 
week in meetings. Write the null and alternative hypotheses and note which is the claim. 
 
Ho: μ ≤ 2.5 (claim), Ha: μ > 2.5 
Correct Answer ...
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Exam (elaborations) MATH 221 Statistics For Decision Making
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(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 deviation 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 hours with a standard devia...
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MATH 221 Week 4 Homework-Statistics for Decision-Making
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MATH 221 Week 4 Homework-Statistics for Decision-Making
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MATH 221 Week 3 v.4.pdf
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MATH 221 Week 3
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MATH 221 WEEK 1-4 Assignments|Quizes Collection Latest -2021
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MATH 221 Week 1 HW_QUIZ_MATH221 VII
MATH 221 Week 4 Homework-Statistics for Decision-Making
MATH 221 Week 3 QUIZ 2
MATH 221 Week 4 Quiz (100% Correct Answers)
MATH 221 Week 2 QUIZ
MATH 221 Week 1 QUIZ
MATH 221 Week 3 v.4.pdf
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MATH 221 WEEK 1-4 Assignments|Quizes Collection Latest -2021
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MATH 221 Week 1 HW_QUIZ_MATH221 VII
MATH 221 Week 4 Homework-Statistics for Decision-Making
MATH 221 Week 3 QUIZ 2
MATH 221 Week 4 Quiz (100% Correct Answers)
MATH 221 Week 2 QUIZ
MATH 221 Week 1 QUIZ
MATH 221 Week 3 v.4.pdf
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MATH 221 Week 4 Homework-Statistics for Decision-Making
- Examen • 12 pages • 2021
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MATH 221 Week 4 Homework-Statistics for Decision-Making
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MATH 221 Week 3 QUIZ 2
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MATH 221 Week 3 QUIZ 2
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