MATH 302

MATH 302 Quiz 1 - Question and Answers

Math 302, Assignment 2 Solutions 1. In a small town, there are three bakeries. Each of the bakeries bakes twelve cakes per day. Bakery 1 has two different types of cake, bakery 2 three different types, and bakery 3 four different types. Every bakery bakes equal amounts of cakes of each type. You randomly walk into one of the bakeries, and then randomly buy two cakes. (a) What is the probability that you will buy two cakes of the same type? (b) Suppose you have bought two different types of...

Math 302, Assignment 3 Due Feb 1 1. In a small town, there are three bakeries. Each of the bakeries bakes twelve cakes per day. Bakery 1 has two different types of cake, bakery 2 three different types, and bakery 3 four different types. Every bakery bakes equal amounts of cakes of each type. You randomly walk into one of the bakeries, and then randomly buy two cakes. (a) What is the probability that you will buy two cakes of the same type? (b) Suppose you have bought two different types of...

A researcher is testing reaction times between the dominant and non-dominant hand. They randomly start with each hand for 20 subjects and their reaction times in milliseconds are recorded. Test to see if the reaction time is faster for the dominant hand using a 5% level of significance. The hypotheses are: H0 : μD = 0 H1 : μD > 0 Non-Dominant Dominant What is the correct decision? Accept H1 Do not reject H0 Reject H1 Reject H0 Accept H0 A physician wants to see if there was a d...

Wednesday 15 May 2019 – Morning AS Level Mathematics B (MEI) H630/01 Pure Mathematics and Mechanics

Week 8 Knowledge Check Homework Practice Questions Part 1 of 4 - Chi-Square Test for Homogeneity 8.0/ 8.0 Points Question 1 of 20 1.0/ 1.0 Points Click to see additional instructions Students at a high school are asked to evaluate their experience in the class at the end of each school year. The courses are evaluated on a 1-4 scale – with 4 being the best experience possible. In the History Department, the courses typically are evaluated at 10% 1’s, 15% 2’s, 34% 3’s, and 41% ...

Week 5 Test Part 1 of 4 - Z-interval for Unknown Questions 7.0/ 7.0 Points Question 1 of 20 1.0/ 1.0 Points The population standard deviation for the height of college basketball players is 3.4 inches. If we want to estimate 99% confidence interval for the population mean height of these players with a 0.43 margin of error, how many randomly selected players must be surveyed? (Round up your answer to nearest whole number, do not include any decimals) Answer: 415 Answer Key: 415 Fe...

Week 7 Knowledge Check Homework Practice Questions Part 1 of 9 - Linear Regression and Correlation Question 1 of 20 Due to erosion, a river shoreline is losing several thousand pounds of soil each year. A linear equation that expresses the total amount of soil lost per year is y = 12,000x. How many pounds of soil does the shoreline lose in a year? Round to a whole number. Don't use any commas or decimals. Answer: 12000 Answer Key: 12000 Feedback: The slope is 12,000. The ...

MATH302 B002 Spr 20    Tests & Quizzes Part 1 of 8 - Measures of the Spread of Data Questions Question 1 of 20 The following data are the distances between 21 retail stores and a large distribution center. The distances are in miles. See Attached Excel for Data. Find the standard deviation and round to the nearest tenth retail store 8 KB 3.0/ 3.0 Points 1.0/ 1.0 Points A. 36.3 B. 79.5 C. 35.5 D. 96 E. 34.5 Answer Key: A Feedback: use =STEDV.S function in ...

Part 1 of 5 - Section: Data & Sampling 4.0/ 5.0 Points Question 1 of 20 1.0/ 1.0 Points “Number of times per week” 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 gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. • A. Qualitative • B. Qua...