A true-false exam has 48 questions and an answerer has to choose the correct alterna Matt has not prepared to the exam at all, and he just guesses randomly on each question. has prepared to the exam better and her probability of answering a question correctly A passing score is 30 or more correct answers. Compare the probability that Lisa passe exam with the probability that Matt passes is. Use normal approximation.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A true-false exam has 48 questions and an answerer has to choose the correct alternative.
Matt has not prepared to the exam at all, and he just guesses randomly on each question. Lisa
has prepared to the exam better and her probability of answering a question correctly is 3.
A passing score is 30 or more correct answers. Compare the probability that Lisa passes the
exam with the probability that Matt passes is. Use normal approximation.
Transcribed Image Text:A true-false exam has 48 questions and an answerer has to choose the correct alternative. Matt has not prepared to the exam at all, and he just guesses randomly on each question. Lisa has prepared to the exam better and her probability of answering a question correctly is 3. A passing score is 30 or more correct answers. Compare the probability that Lisa passes the exam with the probability that Matt passes is. Use normal approximation.
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