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Name: please I need help resolving this math1. Find the sum of the first 20
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Description: please I need help resolving this math1. Find the sum of the first 20 terms of the sequence 3, 7, 11, …2. Two different letters are chosen from the letters A, B, X, Y without regard for order. List the Sample space.

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please I need help resolving this math 1. Find the sum of the first 20 terms of the sequence 3, 7, 11, …

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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Please solve a,b
3. Write a set of 6 unique numbers that is skewed to the left and has a mean of 6 and a median of 8.
B. Multiply or divide. 1. 4 • 6 2. (20) (5) 3. 3 8 14 4. 5. (7)(2) 2 7. 0 9 8. 2 5 9. 12 (4) 10. (2) • (2) 11. 6 (3) 12. 6.
B. Direction: Read each statement carefully. Write the of the correct answer on the blank provided. A. (H, T) 1. What is the sample space when a coin is tossed once? B. (h,T), (t, H), (t, T) C. ((T, H), (t, H), (T, h) D. ((T,h), (h,H), (T,T)) 2. What is the n(S) when a pair of dice is rolled? A. 2 B. 6 C. 12 D. 36 3. It is a subset of the sample space. A. Outcome B. result C. event D. probability experiment 4. The color wheel at the right is spun. Assume that the arrow will never fall on the lines separating the sectors. What is the sample Space?. A. S = (red, yellow, green, blue) C. S fred, green, blue) Vellow Blue Green Red B. S fred, yellow, green) D. S green, blue) 5. A drawer has 5 blue ties, 2 red ties, and 3 red ties. A tie is picked at random. What is the total number of possible outcomes? A. n(S) = 2 B. n(S) = 3 C. n(S) = 5 D. n(S) = 10
Help with 4,5,6 please
How can p<.05 be interpreted
c. Clear the desk of 1 circles desk. Fit the pieces togeth of a circle. Draw a picture and mixed number repres Wh Usho d. Place one more circle o circle. Write the improper represented. erlla. Draw circles to show th Lesson Practice b. Draw circles to show th c. Draw circles to show th Distributed and Integrat Written Practice How *1. (Interpret The coach divided 33 players as (88) 4 teams. Alt lany a. How many teams had exactly 8 players" the b. How many teams had 9 players? othe 2. Justify On the package there were twq 1,43) stamn
1 System of Linear Equations Given matrix A € Rmxn and column vector bRmx1 describe the set X of all v € R¹x1 that solves Au = b. Remember that X = 0 (empty set, meaning there is no v that solves the system of equations) iff b span(A.,₁,..., A.), otherwise there exists a solution. If a solution to exists, then the set of all the solutions can be expressed as X = 2o+null(A), where null(A) = span (v₁,..., Uk), and U₁,..., U is a maximal set of linearly independent solutions of the homogeneous equation Av = 0. The dimension k of null(A) equals to n - rank(4), i.e. the number of variables minus the number of independent rows/columns of A. You can use a formula for A-¹, e.g. https://www.cuemath.com/algebra/inverse-of-2x2- matrix/. Don't forget to consider all the cases based on the values of the parameters a, 3 € R. (a) A = b= 5 A = [51], b= [8] 6 A = - [8] 6 A = - [8] 1 6 4-B 3 --A A = b= 2 (b) (c) (d) (e) b= b=
Randomly a group of people were asked if the prefer to add cream or sugar or both in their respective coffee. Their answers are shown in the diagram below.
Cognitive psychologists know that memory for the words in the middle of a list is poorer than memory for the words at the beginning or end of the list. Researchers wanted to see if people with different levels of education remember a different number of items in the middle of a list. They selected two groups of people with n=6 in each group. Group 1 has 12 years of formal education and Group 2 has 20 or more years of formal education. The table below shows the number of words each group remembered from the middle 10 words on the list. Group 1 Group 2 4 5 7 7 2 3 4 8 3 6 6 3 a. Is there a significant difference in the number of words remembered from the middle of the list in the two groups? Use an α = .05. b. Compute r2 to measure effect size.