Math 225n week 1 quiz Study guides, Class notes & Summaries
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![LATEST MATH 225N WEEK 4 STATISTIC QUIZS (WALDEN UNIVERSITY, WINTER-SPRING SEASON) WITH WELL ELABORATED QUIZS AND REASONED RESPONSES (VERIFIED & GRADED A+)](/docpics/3463452/65098688216f2_3463452_121_171.jpeg)
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LATEST MATH 225N WEEK 4 STATISTIC QUIZS (WALDEN UNIVERSITY, WINTER-SPRING SEASON) WITH WELL ELABORATED QUIZS AND REASONED RESPONSES (VERIFIED & GRADED A+)
- Exam (elaborations) • 11 pages • 2023
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LATEST MATH 225N WEEK 4 STATISTIC QUIZS (WALDEN UNIVERSITY, WINTER-SPRING SEASON) WITH WELL ELABORATED QUIZS AND REASONED RESPONSES (VERIFIED & GRADED A+) 
Quiz 1 
Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are listed below. 
16,14,14,21,15 
Find the mean boxes sold.
![MATH 225N WEEK 4 HOMEWORK PROBABILITY QUESTION AND ANSWERS](/docpics/4363584/65b7addf66129_4363584_121_171.jpeg)
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MATH 225N WEEK 4 HOMEWORK PROBABILITY QUESTION AND ANSWERS
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MATH 225N WEEK 4 HOMEWORK PROBABILITY QUESTION AND ANSWERS 
1.	Which of the pairs of events below is dependent? 
________________________________________ 
Select the correct answer below: 
________________________________________ 
 drawing a 7 and then drawing another 7 with replacement from a standard deck of cards 
 rolling a 1 and then rolling a 6 with a standard die 
 rolling a 3 and then rolling a 4 with a standard die 
 drawing a heart and then drawing a spade without replacement from a st...
![MATH 225N WEEK 6 STATISTICS QUIZ | LATEST SOLUTION](/docpics/641807fd18b0e_2490908.jpg)
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MATH 225N WEEK 6 STATISTICS QUIZ | LATEST SOLUTION
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MATH 225N WEEK 6 STATISTICS QUIZ | LATEST SOLUTION 
 
 
Question 1 
A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10. 
Construct a confidence interval for the mean score (out of 100 points) on the final exam. 
 
Answer: (67, 87) 
 
 
Question 2 
A random sample of adults were asked whether they prefer reading an e-book over a prin...
![MATH 225N Week 4 Statistics Quiz (Version 1) Latest 2019/20 Complete Solutions , Chamberlain.](/docpics/4768790/65f774ccf2dd6_4768790_121_171.jpeg)
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MATH 225N Week 4 Statistics Quiz (Version 1) Latest 2019/20 Complete Solutions , Chamberlain.
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MATH 225N Week 4 Statistics Quiz (Version 1) 1. Question: Alice sells boxes of candy at the baseball game and wants to know the mean number of boxes she sells. The numbers for the games so far are ……. 16,14,14,21,15 2. Question: Given the following list of prices (in thousands of dollars) of randomly selected trucks at a car dealership, find the median…… 20,46,19,14,42,26,33 3. Question: Each person in a group shuffles a deck of cards and keeps selecting a card until a queen appears. Fin...
![MATH 225N Statistics Week 6 Quiz.](/docpics/2833885/6477a0f7201ea_2833885_121_171.jpeg)
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MATH 225N Statistics Week 6 Quiz.
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MATH 225N Statistics Week 6 Quiz.Question 1 
The population standard deviation for the heights of dogs, in inches, in a city is 3.7 inches. If we want to 
be 95% confident that the sample mean is within 2 inches of the true population mean, what is the 
minimum sample size that can be taken? Round up to the nearest integer. 
Answer: 14 dog heights 
Question 2 
Clarence wants to estimate the percentage of students who live more than three miles from the school. He 
wants to create a 98% confidenc...
![MATH 225N Week 6 Statistics Quiz with Answers Quiz-Week 6](/docpics/4856620/660522a690940_4856620_121_171.jpeg)
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MATH 225N Week 6 Statistics Quiz with Answers Quiz-Week 6
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MATH 225N Week 6 Statistics Quiz with Answers 
Quiz-Week 6 
1.	A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10. 
 
Construct a confidence interval for the mean score (out of 100 points) on the final exam. 
67,87 
2.	A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey resulted...
![MATH 225N Statistics Week 6 Quiz.](/docpics/2833887/6477a0fcbe85e_2833887_121_171.jpeg)
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MATH 225N Statistics Week 6 Quiz.
- Exam (elaborations) • 14 pages • 2023
- Available in package deal
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- $13.99
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MATH 225N Statistics Week 6 Quiz.Question 1 
The population standard deviation for the heights of dogs, in inches, in a city is 3.7 inches. If we want to 
be 95% confident that the sample mean is within 2 inches of the true population mean, what is the 
minimum sample size that can be taken? Round up to the nearest integer. 
Answer: 14 dog heights 
Question 2 
Clarence wants to estimate the percentage of students who live more than three miles from the school. He 
wants to create a 98% confidenc...
![MATH 225N Week 4 Statistics Quiz Solutions: Fall 2020/2021 - Attempt Score : A+](/docpics/3509836/6513ddc71b4d0_3509836_121_171.jpeg)
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MATH 225N Week 4 Statistics Quiz Solutions: Fall 2020/2021 - Attempt Score : A+
- Exam (elaborations) • 17 pages • 2023
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MATH 225N Week 4 Statistics Quiz Solutions: Fall 2020/2021 - Attempt Score : A+Question 1 
A statistics professor recently graded final exams for students in her introductory statistics course. In a review 
of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10. 
Construct a confidence interval for the mean score (out of 100 points) on the final exam. 
Answer: (67, 87) 
Question 2 
A random sample of adults were asked whether they prefer reading an ...
![MATH 225N WEEK 6 QUIZ STATISTICS – QUESTION](/docpics/4829506/6602dd06c29e7_4829506_121_171.jpeg)
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MATH 225N WEEK 6 QUIZ STATISTICS – QUESTION
- Exam (elaborations) • 13 pages • 2024
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MATH 225N WEEK 6 QUIZ STATISTICS – QUESTION 
 
 
 
Question 1 
A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out 
of 100 points was a x¯=77, with a margin of error of 10. 
Construct a confidence interval for the mean score (out of 100 points) on the final exam. 
 
 
 
Answer: (67, 87) 
 
 
Question 2 
A random sample of adults were asked whether they prefer reading an e- book over a p...
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