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Suppose that a new Internet company Mumble .com requires all employees to take a drug test. Mumble.com can afford only the inexpensive drug test-the one with a 5% false-positive rate and a 10% false-negative rate. (That means that 5% of those who are not using drugs will incorrectly test positive and that 10% of those who are actually using drugs will test negative.) Suppose that 10% of those who work for Mumble.com are using the drugs for which Mumble is checking.
a. If one employee is chosen at random, what is the probability that the employee both uses drugs and tests positive?
b. If one employee is chosen at random, what is the probability that the employee does not use drugs but tests positive anyway?
c. If one employee is chosen at random, what is the probability that the employee tests positive?
d. If we know that a randomly chosen employee has tested positive, what is the probability that he or she uses drugs?
The only thing constant in the information technology landscape is that things always change. Such is the case for the textbook ordering system you examined in the previous unit.
Explain Distributed File System (DFS) and give its key processes. Please reply as soon as possible?
human-computer interaction
Suppose a local college has tasked you to develop a database that will keep track of students and the courses that they have taken. In addition to tracking the students and courses, the client wants the database to keep track of the instructors te..
Explain why computers were developed to resemble human brains. How have they evolved over a number of years? Explain how the computers will operate in the next decades, will they be the same as human brains.
What are the spatial indexes? Can you please provide more details on R-tree indexes?
Generate a pole-zero map of the closed-loop transfer function in graphical form using the pzmap function.
Using concepts discussed in class and in the textbook, compare and contrast the leadership characteristics of Stan and Dan. Discuss whether David has any alternatives than implementing Stan's orders.
Find the prime numbersless than or equal to the following natural numbers.
1. What are some of the major objections and deterrents to proper requirements engineering activities?
Show schematically a function definition line ? And how u would call (execute) the function in a MATLAB program?
Develop the function all-fed. It consumes a list of animals, as defined in exercise 41.2.8, and modifies them so that their field for morning feedings is switched to true.
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