Math 302 quiz 4 - Study guides, Class notes & Summaries

MATH 302 Quiz 4 Question And Answers – Set 4

MATH 302 Quiz 4 Question And Answers – Set 3

MATH 302| STATISTICS| WEEK 3 QUIZ WITH ANSWER KEY| 2024 If random variable X has a binomial distribution with n =10 and P(success) =p =0.2, find the probability that X is less than 6. (That is, find P(X<6) Answer: (round to 4 decimal places) Answer Key:0.9936|.9936 P(x < 6) = P(x is less than or equal to 5), in Excel =BINOM.DIST(5,10,0.2,TRUE) Approximately 8% of all people have blue eyes. Out of a random sample of 20 people, what is the probability that at most 2 of them have blue ey...

1 GRE GRE 2 Section 1: Sec One (1 to 20) Details: Analogies Part 1 Practice Questions: QUESTION: 1 DRIP : GUSH A. cry : laugh B. curl : roll C. stream : tributary D. dent : destroy E. bend : angle Answer: D QUESTION: 2 WALK : LEGS A. blink : eyes B. chew : mouth C. dress : hem D. cover : book E. grind : nose Answer: B QUESTION: 3 ENFRANCHISE : SLAVERY A. equation : mathematics B. liberate : confine C. bondage : subjugation D. appeasement : unreasonable E. anato...

MATH 302 Quiz 4 Part 1 of 3 - 1. A manufacturer of flashlight batteries took a sample of 13 batteries from a day’s production and used them continuously until they failed to work. The life lengths of the batteries, in hours, until they failed were: 342, 426, 317, 545, 264, 451, 1049, 631, 512, 266, 492, 562, and 298.  2. The null and alternative hypotheses divide all possibilities into: 3. Results from previous studies showed 79% of all high school seniors from a certain city plan to at...

MATH 302 QUIZ 1 – QUESTION AND ANSWERS SET 3 A Math 302 quiz 1 Question 1 of 20 1.0/ 1.0 Points What is the term for a characteristic or attribute that can assume different values? A.datum B.exponent Correct C.variable D.sample Answer Key: C Question 2 of 20 1.0/ 1.0 Points A pareto chart does NOT have which of the following properties? A.It is used to represent categorical data B.The frequencies are arranged from highest to lowest Correct C.The frequencies are arranged f...

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 Quiz 1 1. An advertisement for a car states that it is 10% more powerful than its competitor. This is an example of 2. A scatterplot allows one to see: 3. Which of the following are the two most commonly used measures of variability? 4. A histogram that has a single peak and looks approximately the same to the left and right of the peak is called: 5. What kind of relationship between x and y is demonstrated by the scatter plot below? 6. Which of the following statements is true re...

MATH 302 Quiz 1 Part 1 of 3 1. A histogram that is positively skewed is also called 2. Researchers may gain insight into the characteristics of a population by examining a 3. A variable is classified as ordinal if: 4. A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations from the sample mean is: 5. A pareto chart does NOT have which of the following properties? 6. What type of graph is the figure below? 7. Numerical variables can be subdivided i...

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...