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)
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Mathematics, 21.06.2019 21:40
Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000
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Mathematics, 22.06.2019 00:00
The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.
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In a piston assembly, the specifications for the clearance between piston rings and the cylinder wal...
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