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A quiz consists of 10 true/false questions. To pass the quiz a student must answer at least 7 questions correctly. If a student guesses on each question, what is the probability that the student will pass the quiz?

A quiz consists of 10 true/false questions. To pass the quiz a student must answer at least 7 questions correctly. If a student guesses on each question, what is the probability that the student will pass the quiz?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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fective 99 Rockal 3. A quiz consists of 10 true/false questions. To pass the quiz a student must answer at least 7 questions correctly. If a student guesses on each question, what is the probability that the student will pass the quiz? A survey of brand recognition is done and it is determined that 68% of consumers have heard of the "DULL COMPUTER COMPANY". A survey of 800 randomly selected consumers is to be conducted. 4. Find/compute the z-score for 627 consumers who recognize the "DULL" name? 5. For such groups of 800, would it be unusual to get 627 consumers who recognize the "DULL" name?
Transcribed Image Text:fective 99 Rockal 3. A quiz consists of 10 true/false questions. To pass the quiz a student must answer at least 7 questions correctly. If a student guesses on each question, what is the probability that the student will pass the quiz? A survey of brand recognition is done and it is determined that 68% of consumers have heard of the "DULL COMPUTER COMPANY". A survey of 800 randomly selected consumers is to be conducted. 4. Find/compute the z-score for 627 consumers who recognize the "DULL" name? 5. For such groups of 800, would it be unusual to get 627 consumers who recognize the "DULL" name?
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