Math 302 knowledge test Study guides, Class notes & Summaries

MATH 302 Quiz 4 Week 4 Knowledge Check – Practice Test PART 1 OF 6 – CALCULATIONS OF PROBABILITIES 1. Find P(Z > -1.24). Round answer to 4 decimal places. Answer: ? 2. Find the area under the standard normal distribution to the left of z = -1.05. Round answer to 4 decimal places. 3. Find P(1.31 < Z < 2.15). Round answer to 4 decimal places. Answer: ? PART 2 OF 6 – CONTINUOUS RANDOM VARIABLES AND PROBABILITY FUNCTIONS 4. Find the probability that falls in the shaded area....

Question 1 of 20 0.0/ 1.0 Points final grade 8 KB An instructor wants to compare spread (variation) of final grades of students in her online class and face-toface class. The instructor sele cts 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. The standard deviation of final grades for the face-to-face class is .Use the information to respond to the following question:(keep 2 decimal places) Answer Key:11.9|11.90...

MATH 302 WEEK 3 KNOWLEDGE TEST Part 1 of 6 - Binomial Distribution 1.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points An unprepared student takes a 10 question TRUE/FALSE quiz and ended up guessing on all the problems. Find σ. Round answer to 4 decimal places. Answer: 1.5811 Answer Key:1.5811 Feedback: in Excel, =SQRT(10*0.5*0.5) Question 2 of 20 0.0/ 1.0 Points It is known that 50% of adult workers have a high school diploma. If a random sample of 8 adult workers is selected, what i...

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 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...

1/19/2020 APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes

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 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...