ComputerScienceExpert

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About ComputerScienceExpert

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Applied Sciences,Calculus,Chemistry,Computer Science,Environmental science,Information Systems,Science Hide all
Teaching Since: Apr 2017
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  • MBA IT, Mater in Science and Technology
    Devry
    Jul-1996 - Jul-2000

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  • Professor
    Devry University
    Mar-2010 - Oct-2016

Category > Math Posted 21 Apr 2017 My Price 8.00

Julie is taking a quiz

Julie is taking a quiz. Each quiz consists of 10 questions, and for each question the computer randomly chooses 1 of 4 possible questions in a question set for that quiz question. Every time a quiz is initiated, the computer randomly generates a quiz in this way, so that if a student decides to make a second attempt at a quiz, i.e. initiates the quiz a second time, the computer generates a new quiz, which may or may not contain some of the exact same questions that were in the student’s first attempt.After Julie makes one attempt at the quiz, she is not particularly happy with her mark and decides to study some more and then make a second attempt, in the hope of improving her mark.Let X be the number of questions on Julie’s second quiz attempt which are identical toquestions that were on her first attempt. Find P r[X ≤ 2]. Do not simplify your answer.

Answers

ComputerScienceExpert
(11)
Status NEW Posted 21 Apr 2017 06:04 AM My Price 8.00

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