Mathematics, 06.06.2020 15:57 scastillo8

In a piston assembly, the specifications for the clearance between piston rings and the cylinder wall are very tight. In a lot of assemblies, let Xbe the number with too little clearance and let Y be the number with too much clearance. The joint probability mass function of Xand Y is given in the table below: 0 0.15 0.12 0.11 0.10 1 0.09 0.07 0.05 0.04 2 0.06 0.05 0.04 0.02 3 0.04 0.03 0.02 0.01 a. Find the marginal probability mass function of X. b. Find the marginal probability mass function of Y. c. Are Xand Y independent? Explain. d. Find Ax and Ox e. Find tly, and Oy f. Find P(X + Y = 3) g. Find the conditional probability mass function pyx (y1) h. Find the conditional probability mass function pxly(x12) i. Find the conditional expectation E (Y|X = 1 j. Find the conditional expectation E(XY = 2)

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 20.06.2019 18:04

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

Answers: 2

Answer

Mathematics, 21.06.2019 21:40

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Answers: 2

Answer

You know the right answer?

In a piston assembly, the specifications for the clearance between piston rings and the cylinder wal...

Questions