Mathematics, 12.02.2020 01:57 azireyathurmond1
A production facility contains two machines that are used to rework items that are initially defective. LetXbe the number of hours that the first machine is in use, and letYbe the number of hours that the second machine is in use, on a randomly chosen day. Assume thatXandYhavejoint probability density function given bya. What is the probability that both machines are in operation for more than half an hour?
b. Find the marginal probability density functions fX(x) and fY(y).
c. Are X and Y independent? Explain.
Answers: 2
Mathematics, 21.06.2019 21:30, bakoeboo
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
Mathematics, 22.06.2019 03:30, nakeytrag
An architect builds a model of a park in the shape of a rectangle. the model is 40.64 centimeters long and 66.04 centimeters wide. one inch equals 2.54 centimeters. use the ratio table to find the ratio of the length to the sum of the length and width in inches and in simplest form. length 40.64 width 66.04 a. 8: 21 b. 13: 21 c. 21: 13 d. 21: 8
Answers: 1
Mathematics, 22.06.2019 06:30, kierafisher05
The probability of drawing a heart from a standard deck of cards is .25. you record the card you draw and return the card before shuffling to ensure a binomial distribution. if you do this 20 times what is the probability that you will draw a heart 7 times? a. 0.888 b. 0.001 c. 0.112 d. 0.473
Answers: 3
A production facility contains two machines that are used to rework items that are initially defecti...
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