Question
A lab contains 10 computers which were chosen at random from a supply of 26 computers, 18 of which were Dells. Let X represents the
A lab contains 10 computers which were chosen at random from a supply of 26 computers, 18 of which were Dells. Let X represents the number of Dell computers in this lab.
- What is the distribution of X? Give the name and corresponding parameters.
- Calculate the mean value and the standard deviation of X.
- What is the probability that there are exactly 4 Dell computers in this lab?
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Probability & Statistics For Engineers & Scientists
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
7th Edition
9789813131279, 130415294, 9813131276, 978-0130415295
