Math302 week 3 homework Study guides, Class notes & Summaries
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Week 8 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 18 pages • 2021
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Week 8 Knowledge Check Homework Practice Questions 
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Part 1 of 4 - Chi-Square Test for Homogeneity 4.0/ 8.0 Points 
Question 1 of 20 
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A college prep school advertises that their students are more prepared to succeed in college than other schools. To 
verify this, they categorize GPA’s into 4 groups and look up the proportion of students at a state college in each 
category. They find that 7% have a 0-0.99, 21% have a 1-1.99, 37% h...
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Week 1 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 9 pages • 2021
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Week 1 Knowledge Check Homework Practice Questions 
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Part 1 of 5 - Section: Data & Sampling Knowledge Check Practice Questions 4.0/ 5.0 Points 
Question 1 of 20 
The first 50 people who walk into a sporting event are polled on their television preferences. What 
type of sampling was used? 
 A. Convenience 
B. Systematic 
C. Stratified 
D. Cluster 
Answer Key: A 
Question 2 of 20 
What is the sampling method used in the following scenario? A teacher wants to know if h...
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Week 4 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 11 pages • 2021
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Part 1 of 6 - Calculations of Probabilities Questions 1.0/ 3.0 Points 
Question 1 of 20 
The size of fish is very important to commercial fishing. A study conducted in 2012 found the length 
of Atlantic cod caught in nets in Karlskrona to have a mean of 49.9 cm and a standard deviation of 3.74 cm 
(Ovegard, Berndt & Lunneryd, 2012). Assume the length of fish is normally distributed. What is the length in cm of 
the lo...
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Week 5 Knowledge Check Homework Practice Questions - SOLVED
- Exam (elaborations) • 12 pages • 2021
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Week 5 Knowledge Check Homework Practice Questions 
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Part 1 of 4 - Z-interval for Unknown Questions 7.0/ 7.0 Points 
Question 1 of 20 
The FDA regulates that fresh Albacore tuna fish that is consumed is allowed to contain 0.82 ppm of 
mercury or less. A laboratory is estimating the amount of mercury in tuna fish for a new company and needs to have 
a margin of error within 0.03 ppm of mercury with 95% confidence. Assume the population standard deviation is 
0.138 ppm of...
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Week 3 Knowledge Check Homework Practice Questions with solutions
- Exam (elaborations) • 9 pages • 2021
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Week 3 Knowledge Check Homework Practice Questions 
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Part 1 of 6 - Binomial Distribution Knowledge Check Practice 4.0/ 5.0 Points 
Question 1 of 20 
A coin is flipped 30 times. Find σ². Do not round answer. Answer: 7.5 
Answer Key: 7.5 
Feedback: 
30*.5*.5 
Question 2 of 20 
It is known that 50% of adult workers have a high school diploma. If a random sample of 6 adult 
workers is selected, what is the probability that 3 or more of them have a high school diploma? ...
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