Math 221 quiz - Study guides, Class notes & Summaries
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MATH-221 - Week 4- Quiz
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MATH-221 - Week 4- Quiz 
Book: Chan, C. et al. (2022). Statistics for Decision Making (3rd ed.). zyBooks, A Wiley Brand. 
Course: (MATH 221) Statistics for Decision-Making - 61204
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MATH-221 - Week 1- Quiz
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MATH-221 - Week 1- Quiz 
Book: Chan, C. et al. (2022). Statistics for Decision Making (3rd ed.). zyBooks, A Wiley Brand. 
Course: (MATH 221) Statistics for Decision-Making - 61204
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MATH-221 - Week 6- Quiz
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MATH-221 - Week 6- Quiz 
Book: Chan, C. et al. (2022). Statistics for Decision Making (3rd ed.). zyBooks, A Wiley Brand. 
Course: (MATH 221) Statistics for Decision Making - course code 61204
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MATH-221 - Week 2- Quiz
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MATH-221 - Week 2- Quiz 
Book: Chan, C. et al. (2022). Statistics for Decision Making (3rd ed.). zyBooks, A Wiley Brand. 
Course: (MATH 221) Statistics for Decision-Making - 61204
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MATH-221 - Week 3- Quiz
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MATH-221 - Week 3- Quiz 
Book: Chan, C. et al. (2022). Statistics for Decision Making (3rd ed.). zyBooks, A Wiley Brand. 
Course: (MATH 221) Statistics for Decision-Making - 61204
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MATH 221 - WEEK 6 QUIZ.
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MATH 221 - WEEK 6 QUIZ. / MATH 221 - WEEK 6 QUIZ. 
Question 1 
0 / 2 pts 
(CO 5) A company claims that its heaters last less than 5 years. Write the null and 
alternative hypotheses and note which is the claim. 
You Answered 
Ho: μ ≤ 5, Ha: μ > 5 (claim) 
Correct Answer 
Ho: μ ≥ 5, Ha: μ < 5 (claim) 
Ho: μ > 5 (claim), Ha: μ ≤ 5 
Ho: μ = 5 (claim), Ha: μ ≥ 5 
See text page 349
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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) | Download To Score An A
- Exam (elaborations) • 20 pages • 2022
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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) Question: (CO 1) Among 500 people at the concert, a survey of 35 found 28% found it too loud. What is the population and what is the sample? Question: (CO 1) A survey of all 35 employees at a small company finds that 89% of them like the recent changes to the company’s benefits. Is this percentage a parameter or a statistic and why? Question: (CO 1) Classify the data of the number of customers at a restaurant. Question: (CO 1) The data ...
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MATH 221 Week 3 Quiz: Statistics for Decision-Making (v3) | Highly RATED Paper | DeVry University
- Exam (elaborations) • 19 pages • 2022
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MATH 221 Week 3 Quiz: Statistics for Decision-Making (v3) Question: (CO 1) A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the population and what is the sample? Question: (CO 1) The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a parameter or a statistic and why? Question: (CO 1) Classify the data of the number of customers at a restaurant. Question: (CO 1) The data set that lists the temperatur...
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MATH 221 Week 3 Quiz: Statistics for Decision-Making (v5) | Download for best GRADE
- Exam (elaborations) • 19 pages • 2022
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MATH 221 Week 3 Quiz: Statistics for Decision-Making (v5) Question: (CO 1) A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the population and what is the sample? Question: (CO 1) The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a parameter or a statistic and why? Question: (CO 1) Classify the data of the number of customers at a restaurant. Question: (CO 1) The data set that lists the runs score...
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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) |100% Guaranteed Pass
- Exam (elaborations) • 18 pages • 2022
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MATH-221 Week 3 Quiz: Statistics for Decision-Making (v6) Question: (CO 1) Among 500 people at the concert, a survey of 35 found 28% found it too loud. What is the population and what is the sample? Question: (CO 1) A survey of all 35 employees at a small company finds that 89% of them like the recent changes to the company’s benefits. Is this percentage a parameter or a statistic and why? Question: (CO 1) Classify the data of the number of customers at a restaurant. Question: (CO 1) The data ...
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