blemsiaundera Grady: Attempt 2#Your Answer:$Answerasked what they did last Friday night. It found:• 165 watched TV173 hung out with friends. 35 watched TV and ate pizza, but did not hang out with friends• 44 watched TV and hung out with friends, but did not eat pizza• 42 hung out with friends and ate pizza, but did not watch TV• 36 watched TV, hung out with friends, and ate pizza• 94 did not do any of these three activitiesHow may 18-24 year olds (of these three activities) only ate pizza last Friday night?Su 21Knowledge Base%f6€3ef7Contacts (Allianz)&hpfgCCCO819[)(General and POS (S...9f10NTсfilCustoCE 85f12num lk

Answered: Image /qna-images/answer/a717d390-ae28-4a69-803c-79e778d1b2bc.jpg

Answered: 165 watched TV 173 hung out with…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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3. the question with all details is in the image below this is not a writing assignment its a algebra qestion
Let R = {(a, b), (b, a),(a, c), (c, d), (d, a)} a. Is (a, c) E R³? b. Is (a, a) E R²? c. Is (c, c) E R5? d. For what values of k < 5 is (a, d) € Rk?
Do you find any association between the tempers of brothers and sisters from the following Good-natured brothers and good-natured sisters 1230 Good-natured brothers and sullen sisters 850 Sullen brothers and good-natured sisters 530 Sullen brothers and sullen sisters 980
A coach of a cross country team asked all 200 of the runners who ran at a meet two questions: Did you get less than 8 hours of sleep last night? Yes No Did you achieve a personal record in this meet? Yes No The coach saw an association between the amount of sleep and achieving a personal record for the runners. Which statement provides evidence for this association?
We are interested in looking at the effect of a baseball player’s free agent status on their salary. We look at 337 baseball players and categorize them as either having a high salary (above 2 million) or not, and as either being free agents or not. ------------------------------------- You also wonder if having a high batting average affects the salary of baseball players. You classify all 370 baseball players as having a high batting average if it is over .300. 1. What are the variables you are looking at? What are the possible categories within each variable? Which is the explanatory, and which is the response? 2. If we want to perform a χ2 test to see if there is a relationship between the two variables, what is our null and alternative hypothesis?
Please answer part b
1. Which set of phrases best describes A = {-3, -2, -1, 0, 1, 2, 3, ...)? O a. integers; greater than or equal to -3 O b. rational numbers; greater than -4 O c. numbers; greater than or equal to -3 O d. real numbers; greater than -4 2. If U = {2, 4, 6, 8, 10, 12, 14} and A = {2, 6, 10}, what is the cardinality fo A'? A. 3 b. 7 C. 6 D. 4
D. 120 D. 480 ciation grams ates 13. Which of the following expressions represents the number of possible ways choosing 3 different kinds of food from a menu of 10? 10! A. 10! C. (10-3)! (10-3):3! 10! set of B. D. (10-3)! 3! 10! es to attend 14. In how many ways can 8 people be seated n the class around a circular table if two of them insist on sitting beside each other? A.360 C. 1440 o the B. 720 D. 5040 15 In how many ways can 6 diamonds be arranged in a circular bracelet? C. 10 A. 4 D. 120 B. 6
A coffee shop owner is trying to determine which customers should receive loyalty discounts based on the number of purchases customers in different age groups make at their business. Which of the following statements is true? Customer Regularity Weekly Purchases 7 6 5 4 2 1 0 ©2018 Glynlyon, Inc. 0 to 18 18 to 25 50 to 65 25 to 50 Age of Customer 65+ O The number of trips to the coffee shop increases as the customer's age increases. The number of trips to the coffee shop increases as the customer's age decreases. O The number of trips to the coffee shop decreases as the customer's age increases. O The number of trips to the coffee shop remains constant as the customer's age increases.
EVALUATE THE FOLLOWING: (combination) 1. C(5,5) 2. C(5,4) 3. C(5,1) 4. P(5,5) / C(5,5) 5. P(4,3) + C(4,2) 6. C(5,3) / C(5,2) 7. C(5,5) – C(4,4)
Jada and Toby each evaluated 14-4+ (3-1). 2. Consider Jada's work and Toby's work. Jada's Work 14-4+B-1.2=14-4+2.2 = 14-4+4 = 10+4 = 14 Toby's Work 14-4+(3-1).2=10+3-1.2 =13-1.2 = 12.2 = 24 Part A: Who correctly evaluated the expression? Part B: Explain the mistake the other person made.

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