Math 302 Knowledge Test (MATH302)

American Military University; Math 302 Knowledge Test 2 (answered)

Week 3 Knowledge Check Homework Practice Questions Return to Assessment List 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? ...

MATH 302 WEEK 1 KNOWLEDGE TEST Part 1 of 5 - Section: Data & Sampling Knowledge Check Practice Questions 4.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points A group of test subjects is divided into twelve groups; then four of the groups are chosen at random. What type of sampling is used?  A. Cluster  B. Convenience  C. Stratified  D. Systematic  E. Simple Random Answer Key:A Question 2 of 20 1.0/ 1.0 Points What is the sampling method used in the following scenari...

Week 1 Knowledge Check Homework Practice Questions Return to Assessment List 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...

Week 7 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 9 - Linear Regression and Correlation 2.0/ 2.0 Points Question 1 of 20 Which of the following equations are linear? A. 8x3+4y2  B. y=6x+8 C. 3y=6x+5y2 D. y-x=8x2 Answer Key: B Feedback: A linear equation is a linear line. If a problem has a squared or a cubed term, it isn't linear. It is a quadratic equation. Question 2 of 20 A vacation resort rents SCUBA equipment to certified divers. The ...

Week 6 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 7 - Matched or Paired Samples Questions 2.0/ 2.0 Points Question 1 of 20 An adviser is testing out a new online learning module for a placement test. They wish to test the claim that on average the new online learning module increased placement scores at a significance level of α = 0.05. For the context of this problem, μD=μnew–μold where the first data set represents the new test scores and the...

Week 4 Knowledge Check Homework Practice Questions Return to Assessment List 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...

Week 8 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 4 - Chi-Square Test for Homogeneity 4.0/ 8.0 Points Question 1 of 20 Click to see additional instructions 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...