![(2) (20 pts) Suppose we want to construct a continuous joint density function of the form fx.y(x,y) = c(x3 + 3x2y + 3xy® + y*), where c is some constant, and the variables X and Y are restricted to the real interval [0,1]. a) (2 pts) How can you tell, just by looking at this pdf, that Xand Y are dependent? b) (4 pts) What is the correct valuc of the constant e c 4 pts) What are the marginal distributions of X and Y? d) (4 pts) What are the expected values of X and ? e) (4 pts) What is the covariance between Xand Y? f) (2 pts) Does the answer to part e) also prove that X and Y are dependent?](http://img.homeworklib.com/questions/275f21d0-6523-11eb-8c86-618492498cc2.png?x-oss-process=image/resize,w_560)
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Problem 5 20 marks total 0 < y < x2 < Consider two rvs X and Y with joint pdf f(x,y) = k-y, Sketch the region in two dimensions whereAx.y is positive. Then find the constant k and sketch /fx...
Problem 5 20 marks total 0 < y < x2 < Consider two rvs X and Y with joint pdf f(x,y) = k-y, Sketch the region in two dimensions whereAx.y is positive. Then find the constant k and sketch /fx.y) in three dimensions. I4 marksl (a) Find and sketch the marginal pdf/(x), the conditional pdf ffr11/2), and the conditional cdf F11/2) (b) 4 marks] Find P(XcYlY> 1/2), E(XIY=1/2) and E(XlY>1/ 2). /4 marks/ (c) (d) What is the correlation between...
Please help to answer this question and show the work clearly because I want to learn....
Please help to answer this question and show the work clearly
because I want to learn. I will give thumbs up for sure, thank you
very much!!!
lebi, 03134\. The Assume that a circuit has the impulse response of h(t)= { 10, elsewhere input x(t) to the circuit is given by x(t)=6u(t), where u(t) is the unit step function. Assume that the circuit output is given by y(t). a) (20 pts) Use the convolution integral to derive the expressions for...
Hi, please help me with this exercise, please explain me step by step and please write...
Hi, please help me with this exercise, please explain me step by
step and please write with very very good calligraphy. Thank you
very much.
* From an urn containing 4 white balls and 3 black balls 3 balls
are removed with replacement. Following this, a coin is thrown as
many times as black balls have been removed and the amount of heads
obtained is evaluated. We define X as the random variable that
represents the quantity of black balls...
I just need help with (c) please. (2+3+5 pts.) The life X (in years) of a...
I just need help with (c) please.
(2+3+5 pts.) The life X (in years) of a regulator of a car has the pdf 2 1 Car 3.x2 (3/8)3 83 e 0 < x < 0. (a) What is the probability that this regulator will last at least 5 years? (b) Given that it has lasted at least 5 years, what is the conditional probability that it will last at least another 5 years? (c) Suppose the replacement cost Y (in...
Can someone please help me with the working out of problems 43 to 46. i want...
Can someone please help me with the working out of
problems 43 to 46. i want to know how to arrive at the correct
answer. thanks.
JDL. Assume the data set has a bell- 42 The mean score of a competency test is 82, with a standard deviation of 2,Between what two values do abou+99.7% of the values lie? (Assume the data set has a bell-shaped distribution.) *For paired data sets 5 -3 -10-8 -2 2 -6 43.(5 pts) Find...
Please help me to solve all these really easy problems. Please show me ur steps. if...
Please help me to solve all these really easy problems.
Please show me ur steps. if you want to help please do them all.
really appreciate. The answer for question 8 and 9 are A and
D.
1.In the RC-circuit capacitance is 6mF and characteristic time
is 1ms. What is the resistance of the circuit?
a
170Ω
b
6∙10-6Ω
c
6∙10-3Ω
d
6∙10-9Ω
e
5.1Ω
Exam 2 spr 16 MC-Word BLE TOOLS Yuanming Shi HOME INSERT DESIGN PAGE LAYOUT REFERENCES...
Please show work!!!! I don't just want the ANSWERS. I am here to learn. Question 2:2...
Please show work!!!!
I don't just want the ANSWERS. I am here to learn.
Question 2:2 Batches that consist of 08 coil springs from a production process are checked for conformance to customer requirements. The mean number of nonconforming coil springs in a batch is Assume that the number of nonconforming springs in a batch, denoted as variable (a) What are n and P (b) What is P(X s 4)? (c) What is P(X 265) . (a) n places (e.g....
Please answer right thanks :) want to learn! Its a two parter I think since he...
Please answer right thanks :) want to learn!
Its a two parter I think since he lumped them together.
1)
A point charge is located at the center of two thin, concentric,
non-conducting spherical shells (both charged). The flux through a
gaussian sphere of varying radii (centered at point P) is as
follows:
Φ
e =1.88 x 106 Nm2/C (for r <
r1);
= -2.1 x 106 Nm2/C (for r1 <
r < r2);
= 3.3 x 106 Nm2/C (for...
Please explain how did you came up with the answer, show work and formulas. I will give you five full stars if you do so.Thank you so much! 7. Your roommate plays video games for anywhere up to two h...
Please explain how did you came up with the answer, show work
and formulas. I will give you five full stars if you do so.Thank
you so much!
7. Your roommate plays video games for anywhere up to two hours on Wednesday nights and for up to one hour on Thursday nights. An expert on "the video game playing habits of roommates" claims that if we let X represent the random variable for how many hours a roommate will play...
Really short question! Please help me to solve ONLY part(b) with R code. Thank you! Problem...
Really short question! Please help me to solve ONLY part(b)
with R code. Thank you!
Problem 4 [26 points] (Section 2.4): Consider a one-sample z-test (known variance) with hypotheses: Ho: μ lo vs H, μ *Ho. The probability of Type II error can be written in the form |ß D(%2_Jnd)-0(-%2_Jnd) where Φ㈠ is the CDF of N(0,1), d Isyo, and δ is the difference between the true mean and the mean under Ho (a) [10 points] Based on the fact...
Problem 5 20 marks total 0 < y < x2 < Consider two rvs X and Y with joint pdf f(x,y) = k-y, Sketch the region in two dimensions whereAx.y is positive. Then find the constant k and sketch /fx.y) in three dimensions. I4 marksl (a) Find and sketch the marginal pdf/(x), the conditional pdf ffr11/2), and the conditional cdf F11/2) (b) 4 marks] Find P(XcYlY> 1/2), E(XIY=1/2) and E(XlY>1/ 2). /4 marks/ (c) (d) What is the correlation between...
Please help to answer this question and show the work clearly
because I want to learn. I will give thumbs up for sure, thank you
very much!!!
lebi, 03134\. The Assume that a circuit has the impulse response of h(t)= { 10, elsewhere input x(t) to the circuit is given by x(t)=6u(t), where u(t) is the unit step function. Assume that the circuit output is given by y(t). a) (20 pts) Use the convolution integral to derive the expressions for...
Hi, please help me with this exercise, please explain me step by
step and please write with very very good calligraphy. Thank you
very much.
* From an urn containing 4 white balls and 3 black balls 3 balls
are removed with replacement. Following this, a coin is thrown as
many times as black balls have been removed and the amount of heads
obtained is evaluated. We define X as the random variable that
represents the quantity of black balls...
I just need help with (c) please.
(2+3+5 pts.) The life X (in years) of a regulator of a car has the pdf 2 1 Car 3.x2 (3/8)3 83 e 0 < x < 0. (a) What is the probability that this regulator will last at least 5 years? (b) Given that it has lasted at least 5 years, what is the conditional probability that it will last at least another 5 years? (c) Suppose the replacement cost Y (in...
Can someone please help me with the working out of
problems 43 to 46. i want to know how to arrive at the correct
answer. thanks.
JDL. Assume the data set has a bell- 42 The mean score of a competency test is 82, with a standard deviation of 2,Between what two values do abou+99.7% of the values lie? (Assume the data set has a bell-shaped distribution.) *For paired data sets 5 -3 -10-8 -2 2 -6 43.(5 pts) Find...
Please help me to solve all these really easy problems.
Please show me ur steps. if you want to help please do them all.
really appreciate. The answer for question 8 and 9 are A and
D.
1.In the RC-circuit capacitance is 6mF and characteristic time
is 1ms. What is the resistance of the circuit?
a
170Ω
b
6∙10-6Ω
c
6∙10-3Ω
d
6∙10-9Ω
e
5.1Ω
Exam 2 spr 16 MC-Word BLE TOOLS Yuanming Shi HOME INSERT DESIGN PAGE LAYOUT REFERENCES...
Please show work!!!!
I don't just want the ANSWERS. I am here to learn.
Question 2:2 Batches that consist of 08 coil springs from a production process are checked for conformance to customer requirements. The mean number of nonconforming coil springs in a batch is Assume that the number of nonconforming springs in a batch, denoted as variable (a) What are n and P (b) What is P(X s 4)? (c) What is P(X 265) . (a) n places (e.g....
Please answer right thanks :) want to learn!
Its a two parter I think since he lumped them together.
1)
A point charge is located at the center of two thin, concentric,
non-conducting spherical shells (both charged). The flux through a
gaussian sphere of varying radii (centered at point P) is as
follows:
Φ
e =1.88 x 106 Nm2/C (for r <
r1);
= -2.1 x 106 Nm2/C (for r1 <
r < r2);
= 3.3 x 106 Nm2/C (for...
Please explain how did you came up with the answer, show work
and formulas. I will give you five full stars if you do so.Thank
you so much!
7. Your roommate plays video games for anywhere up to two hours on Wednesday nights and for up to one hour on Thursday nights. An expert on "the video game playing habits of roommates" claims that if we let X represent the random variable for how many hours a roommate will play...
Really short question! Please help me to solve ONLY part(b)
with R code. Thank you!
Problem 4 [26 points] (Section 2.4): Consider a one-sample z-test (known variance) with hypotheses: Ho: μ lo vs H, μ *Ho. The probability of Type II error can be written in the form |ß D(%2_Jnd)-0(-%2_Jnd) where Φ㈠ is the CDF of N(0,1), d Isyo, and δ is the difference between the true mean and the mean under Ho (a) [10 points] Based on the fact...
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