Math 302 quiz 2 - Study guides, Class notes & Summaries

MATH 302 Week 2 Knowledge Check Quiz 2024 Graded A+;AMU

MATH 302| STATISTICS| WEEK 2 QUIZ WITH ANSWERS| 2024

MATH 302| STATISTICS| WEEK 2 QUIZ WITH ANSWERS| 2024 0 / 1 point An instructor wantsto compare spread (variation) of final grades ofstudentsin her online class and face-to-face class. The instructor selects 10 students randomly from each class and the following table shows the final grades of those students. See Attached Excel for Data. final grade The standard deviation of final gradesfor the online class is 7.832269 7.83 Use the information to respond to the following question:(roun...

Math 302 Quiz 2 Question 1 of 20 1. The probability of an event and the probability of its complement always sum to: 2. A jar contains four white marbles, five red marbles, and six black marbles. If a marble is selected at random, find the probability that it is white or black . 3. If two events are independent, what is the probability that they both occur? 4. If two events are mutually exclusive, what is the probability that one or the other occurs? 5. What type of probability uses sa...

Adherent point correct answers Let S⊆Rⁿ and x∈Rⁿ, x not necessarily in S. Then x is said to be adherent to S if every n-ball B(x) contains at least one point of S. Closed (adherent points) correct answers A set S⊆Rⁿ is closed if and only if it contains all its adherent points. Closure of S correct answers The set of all adherent points of S is called the closure of S, denoted by S line. correct answers A set is closed if and only S = S line Boundary Point correct answers...

MATH 302 QUIZ 2 – QUESTION AND ANSWERS SET 1 Part 1 of 6 - 5.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points A gumball machine contains 300 grape flavored balls, 400 cherry flavored balls, and 500 lemon flavored balls. What is the probability of getting 1 grape ball, 1 cherry ball, and 1 lemon ball if each ball was removed and then replaced before choosing the next from the machine? A.0.0264 B.0.0531 C.0.0347 D.0.0482 Answer Key: C Question 2 of 20 1.0/ 1.0 Points The numbe...

MATH 302| STATISTICS| WEEK 2 QUIZ WITH ANSWERS| 2024

MATH 302| STATISTICS| WEEK 1 QUIZ| 2024| AMERICAN MILITARY UNIVERSITY Question 1 1 / 1 point Duration (amount of time) is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local park in San Antonio, Texas. The first house in the neighborhood around the park was selected randomly, and then the resident of every eighth house in the neighborhood around the park was interviewed. Que...

MATH 302| STATISTICS| WEEK 4 QUIZ WITH ANSWER KEY| 2024 Part 1 of 6 - Calculations of Probabilities Questions 3.0/ 3.0 Points Question 1 of 20 1.0/ 1.0 Points A dishwasher has a mean life of 11.5 years with an estimated standard deviation of 1.5 years ("Appliance life expectancy," 2013). Assume the life of a dishwasher is normally distributed. Find the number of years that the bottom 10% of dishwasher would last. Round answer to 2 decimal places. Answer: 9.58 Answer Key:9.58 Feedback...