Homework Answers
a)
as n tend to infinity
both 1/sqrt(n) and 1/n tend to 0
hence
the sequence tend to 0 as n tend to infinity
b)
| n | a_n |
| 75 | 0.013333 |
| 76 | 0.013158 |
| 77 | 0.012987 |
| 78 | 0.012821 |
| 79 | 0.012658 |
| 80 | 0.0125 |
| 81 | 0.111111 |
| 82 | 0.012195 |
| 83 | 0.012048 |
| 84 | 0.011905 |
| 85 | 0.011765 |
| 86 | 0.011628 |
| 87 | 0.011494 |
| 88 | 0.011364 |
| 89 | 0.011236 |
| 90 | 0.011111 |
| 91 | 0.010989 |
| 92 | 0.01087 |
| 93 | 0.010753 |
| 94 | 0.010638 |
| 95 | 0.010526 |
| 96 | 0.010417 |
| 97 | 0.010309 |
| 98 | 0.010204 |
| 99 | 0.010101 |
| 100 | 0.1 |
Add Answer to:
the sequence (1.1.4). As another example, let l/vn if n is the square of an integer...
Example 2.1.4 A counterexample. Let with probability 1-Pn 7L n with probability Pn Then Yn--1, provided...
Example 2.1.4 A counterexample. Let with probability 1-Pn 7L n with probability Pn Then Yn--1, provided Pn → 0 (Problem 1.2(i). On the other hand, E(%) = (1-m) + npn which tends to a if Pn = a/n and to oo if, for example, Pn = 1/vn. This shows that (i) need not hold, and thati) need not hold is seen analogously (Problem 1.2( 1.2 In Example 2.1.4, show that p (i) Y, 1 if Pn → 0; (ii) EK,-,...
read the example and froof and answer for question 2. Example: Prove Vn EZ with n20,...
read the example and froof and answer for question 2.
Example: Prove Vn EZ with n20, 8 (3-1) Proof: Let P(n) be 8 (3*-1). [Again, using the word "be" since using an equals sign with a divisibility symbol would make no sense.] Since 320-1-0 and 8 0, P(o) is true. Next, let k eZ and k 20 and assume P(k) is true. This means 8|(32-1) so 3 xeZ such that 8x 3-1, or 3 8x+1. Then 32+)-13242 -1 -3 32-1...
In questions 1-8, find the limit of the sequence. sin n cos n 2. 37 /n sin n 3. 4. cos rn 5. /n sin n o cos n n! 9. If c is a positive real number and lan) is a sequence such that for all inte...
In questions 1-8, find the limit of the sequence. sin n cos n 2. 37 /n sin n 3. 4. cos rn 5. /n sin n o cos n n! 9. If c is a positive real number and lan) is a sequence such that for all integer n > 0, prove that limn →00 (an)/n-0. 10. If a > 0, prove that limn+ (sin n)/n 0 Theorem 6.9 Suppose that the sequence lan) is monotonic. Then ta, only if...
2. Let 'n ,n > l be a sequence of r.v.s such that E[Xi] μί and...
2. Let 'n ,n > l be a sequence of r.v.s such that E[Xi] μί and Var(X) σ for i-: 1, 2, , and Cov(Xi, Χ.j) Ơij for i J. Let {an ,n 1) and (bn, n 1) be the sequences of real numbers. Write down the expressions for i-l (i,Xi, Xi), Cov every i and Ơij 0 for every i j, state Var(Σί ! així), Coy(Σ, aixi, xi),
Please help me solve 3,4,5 3- For all n € N, let an = 1. Let...
Please help me solve 3,4,5
3- For all n € N, let an = 1. Let S = {an in€ N}. 3-1) Use the fact that lim - = 0 and the result of Exercise 1 to show that 0 ES'. Ron 3-2) Use the result of Exercise 2 to show that S = {0}. 4- Prove that 4-1) N' = 0. 4-2) Q =R. 5- Recall that a set KCR is said to be compact if every open cover...
8. Let X be a continuous random variable with mgf given by It< 1 M(t)E(eX) 1...
8. Let X be a continuous random variable with mgf given by It< 1 M(t)E(eX) 1 - t2 (a) Determine the expected value of X and the variance of X [3] (b) Let X1, X2, ... be a sequence of iid random variables with the same distribution as X. Let Y X and consider what happens to Y, as n tends to oo. (i) Is it true that Y, converges in probability to 0? (Explain.) [2] (ii) Explain why Vn...
Let p E [0,1] with pメ, and let (Xn)n=o b l e the Markov chain on with initia [0,1] given by distribution δο and transi...
Let p E [0,1] with pメ, and let (Xn)n=o b l e the Markov chain on with initia [0,1] given by distribution δο and transition matrix 11: Z Z ify=x-1 p 0 otherwise. Use the strong law of large numbers to show that each state is transient. Hint: consider another Markov chain with additional structure but with the same distribution and transition matrix
Let p E [0,1] with pメ, and let (Xn)n=o b l e the Markov chain on with...
7. (10%) Let f: [0,1] R be defined by _x xe[0,1]n f(x) 0 otherwise Is fe L[0,1]? If yes, find its Lebesgue integral...
7. (10%) Let f: [0,1] R be defined by _x xe[0,1]n f(x) 0 otherwise Is fe L[0,1]? If yes, find its Lebesgue integral. i) Is feR[O,1] ? If yes, find its Riemann integral. ii) ii) What is lim || |, ?
7. (10%) Let f: [0,1] R be defined by _x xe[0,1]n f(x) 0 otherwise Is fe L[0,1]? If yes, find its Lebesgue integral. i) Is feR[O,1] ? If yes, find its Riemann integral. ii) ii) What is lim ||...
3. (10 points) Let G be an undirected graph with nodes vi,..Vn. The adja.- cency matriz represent...
Please show work clearly. Thanks
3. (10 points) Let G be an undirected graph with nodes vi,..Vn. The adja.- cency matriz representation for G is the nx n matrix M given by: Mij-1 if there is an edge from v, to ty. and M,',-0 otherwise. A triangle is a set fvi, vjof 3 distinct vertices so that there is an edge from v, to vj, another from v to k and a third from vk to v. Give and analyze...
Example 2.1.4 A counterexample. Let with probability 1-Pn 7L n with probability Pn Then Yn--1, provided Pn → 0 (Problem 1.2(i). On the other hand, E(%) = (1-m) + npn which tends to a if Pn = a/n and to oo if, for example, Pn = 1/vn. This shows that (i) need not hold, and thati) need not hold is seen analogously (Problem 1.2( 1.2 In Example 2.1.4, show that p (i) Y, 1 if Pn → 0; (ii) EK,-,...
read the example and froof and answer for question 2.
Example: Prove Vn EZ with n20, 8 (3-1) Proof: Let P(n) be 8 (3*-1). [Again, using the word "be" since using an equals sign with a divisibility symbol would make no sense.] Since 320-1-0 and 8 0, P(o) is true. Next, let k eZ and k 20 and assume P(k) is true. This means 8|(32-1) so 3 xeZ such that 8x 3-1, or 3 8x+1. Then 32+)-13242 -1 -3 32-1...
In questions 1-8, find the limit of the sequence. sin n cos n 2. 37 /n sin n 3. 4. cos rn 5. /n sin n o cos n n! 9. If c is a positive real number and lan) is a sequence such that for all integer n > 0, prove that limn →00 (an)/n-0. 10. If a > 0, prove that limn+ (sin n)/n 0 Theorem 6.9 Suppose that the sequence lan) is monotonic. Then ta, only if...
2. Let 'n ,n > l be a sequence of r.v.s such that E[Xi] μί and Var(X) σ for i-: 1, 2, , and Cov(Xi, Χ.j) Ơij for i J. Let {an ,n 1) and (bn, n 1) be the sequences of real numbers. Write down the expressions for i-l (i,Xi, Xi), Cov every i and Ơij 0 for every i j, state Var(Σί ! així), Coy(Σ, aixi, xi),
Please help me solve 3,4,5
3- For all n € N, let an = 1. Let S = {an in€ N}. 3-1) Use the fact that lim - = 0 and the result of Exercise 1 to show that 0 ES'. Ron 3-2) Use the result of Exercise 2 to show that S = {0}. 4- Prove that 4-1) N' = 0. 4-2) Q =R. 5- Recall that a set KCR is said to be compact if every open cover...
8. Let X be a continuous random variable with mgf given by It< 1 M(t)E(eX) 1 - t2 (a) Determine the expected value of X and the variance of X [3] (b) Let X1, X2, ... be a sequence of iid random variables with the same distribution as X. Let Y X and consider what happens to Y, as n tends to oo. (i) Is it true that Y, converges in probability to 0? (Explain.) [2] (ii) Explain why Vn...
Let p E [0,1] with pメ, and let (Xn)n=o b l e the Markov chain on with initia [0,1] given by distribution δο and transition matrix 11: Z Z ify=x-1 p 0 otherwise. Use the strong law of large numbers to show that each state is transient. Hint: consider another Markov chain with additional structure but with the same distribution and transition matrix
Let p E [0,1] with pメ, and let (Xn)n=o b l e the Markov chain on with...
7. (10%) Let f: [0,1] R be defined by _x xe[0,1]n f(x) 0 otherwise Is fe L[0,1]? If yes, find its Lebesgue integral. i) Is feR[O,1] ? If yes, find its Riemann integral. ii) ii) What is lim || |, ?
7. (10%) Let f: [0,1] R be defined by _x xe[0,1]n f(x) 0 otherwise Is fe L[0,1]? If yes, find its Lebesgue integral. i) Is feR[O,1] ? If yes, find its Riemann integral. ii) ii) What is lim ||...
Please show work clearly. Thanks
3. (10 points) Let G be an undirected graph with nodes vi,..Vn. The adja.- cency matriz representation for G is the nx n matrix M given by: Mij-1 if there is an edge from v, to ty. and M,',-0 otherwise. A triangle is a set fvi, vjof 3 distinct vertices so that there is an edge from v, to vj, another from v to k and a third from vk to v. Give and analyze...
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