f(x, y): ) = {K(x² + x²) [K(x² + y²) 20 ≤ x ≤ 30, 20 ≤ y ≤ 30 otherwise (a) Determine the conditional pdf of Y given that X = x. fy|x(y|x) = for 20 ≤ y ≤ 30 Determine the conditional pdf of X given that Y = y. fxx(xly) = for 20 ≤ x ≤ 30 3 (b) If the pressure in the right tire is found to be 22 psi, what is the probability that the left tire has a pressure of at least 25 psi? (It is known that K = Round your answer to three decimal places.) 380,000 Compare this to P(Y 2 25). (Round your answer to three decimal places.) P(Y ≥ 25) = (c) If the pressure in the right tire is found to be 22 psi, what is the expected pressure in the left tire, and what is the standard deviation of pressure in this tire? (It is known that K = 3 380,000 expected pressure psi psi standard deviation Round your answers to two decimal places

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
icon
Related questions
Question

Please help me with this!! Question 4

Each front tire on a particular type of vehicle is supposed to be filled to a pressure of 26 psi. Suppose the actual air pressure in each tire is a random variable-X for the right tire and Y for the left tire, with joint pdf
F(x, y) = {K(x² +
+ y²) 20 ≤ x ≤ 30, 20 ≤ y ≤ 30
otherwise
(a) Determine the conditional pdf of Y given that X = x.
fy|x(y|x) =
for 20 ≤ y ≤ 30
Determine the conditional pdf of X given that Y = y.
fx|x(xly) =
for 20 ≤ x ≤ 30
(b) If the pressure in the right tire is found to be 22 psi, what is the probability that the left tire has a pressure of at least 25 psi? (It is known that K =
Round your answer to three decimal places.)
380,000
Compare this to P(Y≥ 25). (Round your answer to three decimal places.)
P(Y ≥ 25) =
3
(c) If the pressure in the right tire is found to be 22 psi, what is the expected pressure in the left tire, and what is the standard deviation of pressure in this tire? (It is known that K =
380,000
expected pressure
psi
psi
standard deviation
Round your answers to two decimal places.)
Transcribed Image Text:Each front tire on a particular type of vehicle is supposed to be filled to a pressure of 26 psi. Suppose the actual air pressure in each tire is a random variable-X for the right tire and Y for the left tire, with joint pdf F(x, y) = {K(x² + + y²) 20 ≤ x ≤ 30, 20 ≤ y ≤ 30 otherwise (a) Determine the conditional pdf of Y given that X = x. fy|x(y|x) = for 20 ≤ y ≤ 30 Determine the conditional pdf of X given that Y = y. fx|x(xly) = for 20 ≤ x ≤ 30 (b) If the pressure in the right tire is found to be 22 psi, what is the probability that the left tire has a pressure of at least 25 psi? (It is known that K = Round your answer to three decimal places.) 380,000 Compare this to P(Y≥ 25). (Round your answer to three decimal places.) P(Y ≥ 25) = 3 (c) If the pressure in the right tire is found to be 22 psi, what is the expected pressure in the left tire, and what is the standard deviation of pressure in this tire? (It is known that K = 380,000 expected pressure psi psi standard deviation Round your answers to two decimal places.)
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Similar questions
Recommended textbooks for you
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning