Need help on the explaination of this one. I keep betting the wrong answer and not sure where I'm going wrong
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Need help on the explaination of this one. I keep betting the
wrong answer and not...
Hi! I'm hoping someone can help me with this question. I keep getting the wrong answer...
Hi! I'm hoping someone can help me with this question. I keep
getting the wrong answer when calculating, so I am trying to
understand where I am going wrong. Thanks!
D 1. For the balanced redox reaction: 3 Mn2+ (aq) + 2Al(s) 3 Mn(s) + 2 A13+ (aq) Calculate Eºcell A. +1.59 V B. +0.93 V C. +0.48 V D. -0.32V E. -0.19 V А B с D E
Need help on number 3. Please use method of transformation. Explain if possible. (2)Suppose that X...
Need help on number 3. Please use method of
transformation. Explain if possible.
(2)Suppose that X and X2 have joint pdf f(x1, x2) = 2 ,0<x1<x2 < 1, and zero otherwise. Compute the pdf of the random variable Y = (3)Let X-Exp(1) and Y-Exp(1). X and Y are independent. a. Find the pdf of A=(X+Y) and B=(x-7). b. Are A and B independent? C. Find the marginal of A and B
i need help with number 55 . I keep coming up with the wrong answer. this...
i need help with number 55 . I keep coming up with the wrong
answer. this would be helpful to me. Thank you
49. (3x+ (2x2) 50. (x - 1)1/3(x - 1)-1/4 P.3 In Exercises 51-54, write the polynomial in standard form. Identify the degree and leading coefficient. 51. 3 - 11x2 53. - 4 - 12.x2 52. 3x3 - 5/5 + - 4 54. 12x - 7x2 + 6 sin In Exercises 55-58, perform the operation and write the...
between zero and one. Find the PDF of X+Y+Z 5. Let X be a random variable that takes nonnegative integer values, and is associated with a transform of the form 3- es where c is some scalar. Find EX],...
between zero and one. Find the PDF of X+Y+Z 5. Let X be a random variable that takes nonnegative integer values, and is associated with a transform of the form 3- es where c is some scalar. Find EX], px (1), and E(XX # 0]
between zero and one. Find the PDF of X+Y+Z 5. Let X be a random variable that takes nonnegative integer values, and is associated with a transform of the form 3- es where c is...
You only need to do Q2 (a)'s (i) and (ii). No need to do part B...
You only need to do Q2 (a)'s (i) and (ii). No need to do part
B
2. (a) Let X be a random variable with a continuous distribution F. (i) Show that the Random Variable Y = F(X) is uniformly distributed over (0,1). (Hint: Al- though F is the distribution of X, regard it simply as a function satisfying certain properties required to make it a CDF ! (ii) Now, given that Y = y, a random variable Z is...
Can someone please help solve the problem below? I keep getting the answer incorrect. = (12...
Can someone please help solve the problem below? I keep getting
the answer incorrect.
= (12 points) The random variables X1, X2, and X3 are jointly Gaussian with the following mean vector and covariance matrix: [4 2 0 = 2 5 -1 0-1 The random variable Y is formed from X1, X2, and X; as follows: Y=X1 - X2 + X: +4. Determine P(Y> 3). X x 3 1
Can someone please help solve the problem below? I keep getting the answer incorrect. = (12...
Can someone please help solve the problem below? I keep getting
the answer incorrect.
= (12 points) The random variables X1, X2, and X3 are jointly Gaussian with the following mean vector and covariance matrix: [4 2 0 = 2 5 -1 0-1 The random variable Y is formed from X1, X2, and X; as follows: Y=X1 - X2 + X: +4. Determine P(Y> 3). X x 3 1
Can someone please help solve the problem below? I keep getting the answer incorrect. = (12...
Can someone please help solve the problem below? I keep getting
the answer incorrect.
= (12 points) The random variables X1, X2, and X3 are jointly Gaussian with the following mean vector and covariance matrix: [4 2 0 = 2 5 -1 0-1 The random variable Y is formed from X1, X2, and X; as follows: Y=X1 - X2 + X: +4. Determine P(Y> 3). X x 3 1
I'm not sure how to do a stats problem. I really need help on it it's problem 3.94 3.92. Find (a) the mode, (b) the...
I'm not sure how to do a stats problem. I really need
help on it
it's problem 3.94
3.92. Find (a) the mode, (b) the median of a random variable X having density function f(x) = lo frowse xzo otherwise and (c) compare with the mean. 3.93. Work Problem 3.100 if the density function is 4x(1 - x) 0sxsl lo otherwise 3.94. Find (a) the median, (b) the mode for a random variable X defined by - 2 prob. 1/3...
I need help. I keep getting 29 wrong is it suppose to be 30? Question 8...
I
need help. I keep getting 29 wrong is it suppose to be 30?
Question 8 0/1 pts An assistant to the mayor, who claims to understand statistics, complains about your confidence interval calculation. She asserts that the dollar losses from burglaries are not normally distributed, which in turn makes the confidence interval calculations meaningless. Assume that she is correct about the distribution of money loss. Why are the calculations of a confidence interval still appropriate? According to the central...
Hi! I'm hoping someone can help me with this question. I keep
getting the wrong answer when calculating, so I am trying to
understand where I am going wrong. Thanks!
D 1. For the balanced redox reaction: 3 Mn2+ (aq) + 2Al(s) 3 Mn(s) + 2 A13+ (aq) Calculate Eºcell A. +1.59 V B. +0.93 V C. +0.48 V D. -0.32V E. -0.19 V А B с D E
Need help on number 3. Please use method of
transformation. Explain if possible.
(2)Suppose that X and X2 have joint pdf f(x1, x2) = 2 ,0<x1<x2 < 1, and zero otherwise. Compute the pdf of the random variable Y = (3)Let X-Exp(1) and Y-Exp(1). X and Y are independent. a. Find the pdf of A=(X+Y) and B=(x-7). b. Are A and B independent? C. Find the marginal of A and B
i need help with number 55 . I keep coming up with the wrong
answer. this would be helpful to me. Thank you
49. (3x+ (2x2) 50. (x - 1)1/3(x - 1)-1/4 P.3 In Exercises 51-54, write the polynomial in standard form. Identify the degree and leading coefficient. 51. 3 - 11x2 53. - 4 - 12.x2 52. 3x3 - 5/5 + - 4 54. 12x - 7x2 + 6 sin In Exercises 55-58, perform the operation and write the...
between zero and one. Find the PDF of X+Y+Z 5. Let X be a random variable that takes nonnegative integer values, and is associated with a transform of the form 3- es where c is some scalar. Find EX], px (1), and E(XX # 0]
between zero and one. Find the PDF of X+Y+Z 5. Let X be a random variable that takes nonnegative integer values, and is associated with a transform of the form 3- es where c is...
You only need to do Q2 (a)'s (i) and (ii). No need to do part
B
2. (a) Let X be a random variable with a continuous distribution F. (i) Show that the Random Variable Y = F(X) is uniformly distributed over (0,1). (Hint: Al- though F is the distribution of X, regard it simply as a function satisfying certain properties required to make it a CDF ! (ii) Now, given that Y = y, a random variable Z is...
Can someone please help solve the problem below? I keep getting
the answer incorrect.
= (12 points) The random variables X1, X2, and X3 are jointly Gaussian with the following mean vector and covariance matrix: [4 2 0 = 2 5 -1 0-1 The random variable Y is formed from X1, X2, and X; as follows: Y=X1 - X2 + X: +4. Determine P(Y> 3). X x 3 1
Can someone please help solve the problem below? I keep getting
the answer incorrect.
= (12 points) The random variables X1, X2, and X3 are jointly Gaussian with the following mean vector and covariance matrix: [4 2 0 = 2 5 -1 0-1 The random variable Y is formed from X1, X2, and X; as follows: Y=X1 - X2 + X: +4. Determine P(Y> 3). X x 3 1
Can someone please help solve the problem below? I keep getting
the answer incorrect.
= (12 points) The random variables X1, X2, and X3 are jointly Gaussian with the following mean vector and covariance matrix: [4 2 0 = 2 5 -1 0-1 The random variable Y is formed from X1, X2, and X; as follows: Y=X1 - X2 + X: +4. Determine P(Y> 3). X x 3 1
I'm not sure how to do a stats problem. I really need
help on it
it's problem 3.94
3.92. Find (a) the mode, (b) the median of a random variable X having density function f(x) = lo frowse xzo otherwise and (c) compare with the mean. 3.93. Work Problem 3.100 if the density function is 4x(1 - x) 0sxsl lo otherwise 3.94. Find (a) the median, (b) the mode for a random variable X defined by - 2 prob. 1/3...
I
need help. I keep getting 29 wrong is it suppose to be 30?
Question 8 0/1 pts An assistant to the mayor, who claims to understand statistics, complains about your confidence interval calculation. She asserts that the dollar losses from burglaries are not normally distributed, which in turn makes the confidence interval calculations meaningless. Assume that she is correct about the distribution of money loss. Why are the calculations of a confidence interval still appropriate? According to the central...
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