Math 302 - Study guides, Class notes & Summaries

1. Question: A coin is flipped 30 times. What is the probability of getting 15 or more heads? Round answer to 4 decimal places. 2. Question: It is known that 50% of adult workers have a high school diploma. If a random sample of 8 adult workers is selected, what is the probability that less than 6 of them have a high school diploma? 3. Question: If random variable X has a binomial distribution with n=9 and P(success) =p= 0.4, find the standard deviation of X. 4. Question: If random variable X...

MATH 302| STATISTICS| FINAL EXAM 2024| WITH ANSWER KEY| GRADE A GUARANTEED Part 1 of 16 - 2.0/ 2.0 Points Question 1 of 23 1.0/ 1.0 Points The chi-square goodness-of-fit test can be used to test for: A.significance of sample statistics B.difference between population means C.difference between population variances D.normality Answer Key: D

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

1. Question: A large department store is curious about what sections of the store make the most sales. The manager has data from ten years prior that show 30% of sales come from Clothing, 25% Home Appliances, 18% Housewares, 13% Cosmetics, 12% Jewelry, and 2% Other. In a random sample of 550 current sales, 188 came from Clothing, 153 Home Appliances, 83 Housewares, 54 Cosmetics, 61 Jewelry, and 11 Other. At α=0.10, can the manager conclude that the distribution of sales among the departments ha...

Math 302 Week 8 Knowledge Check Practice Questions with Answers

MATH 302| STATISTICS| FINAL EXAM 2024| WITH ANSWER KEY| GRADE A GUARANTEED

MATH 302: STATISTICS BEC1 FINAL EXAM 2024/2025| QUESTIONS WITH 100% CORRECT AND VERIFIED ANSWERS FOR DISTINTION PASS

MATH 302| STATISTICS| WEEK 2 QUIZ WITH ANSWERS| 2024 0 / 1 point An instructor wants to compare spread (variation) of final grades of students in 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 grades for the online class is 7.832269 7.83 Use the information to respond to the following question:(round...

MATH 302: STATISTICS BEC1 FINAL EXAM 2024/2025| QUESTIONS WITH 100% CORRECT AND VERIFIED ANSWERS FOR DISTINTION PASS

MATH 302| STATISTICS| WEEK 4 QUIZ WITH ANSWER KEY| 2024