)A quiz consists of 8 multiple-choice questions, each with four distinct answer choices, only one of which is thecorrect answer. A student who forgot to adequately prepare for the quiz randomly guesses at all 8 questions. ) What is the probability that the student gets exactly half of the answers correct? (Round to fourdecimal places).

Given: Number of question is, n=8. Total number of options is, N=4. Number of correct options is,…

Answered: )A quiz consists of 8 multiple-choice…

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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Three hungry pirates, Ahab, Bluebeard, and Hook, were stranded on a desert island. They came upon a treasure chest, which they immediately opened. To their joy, they found it to be full of pretzels! Immediately they each ate 10, then they decided they should save the rest for later. That night, after the others had fallen asleep, Ahab crept to the treasure chest and opened it. He separated the pretzels into 3 equal piles. There was 1 extra pretzel, which he gave to a passing monkey. Then he stole one of the 3 equal piles of pretzels, put the rest back into the chest, and went back to camp. A short time later Bluebeard sneaked over to the chest. He separated the pretzels into four equal piles (he wasn’t quite as greedy as Ahab). There were 2 extra pretzels, which he gave to a passing monkey. He then stole one of the four piles and put the rest back into the chest. Still later Hook went to the chest and separated the pretzels into five equal piles. There were 3 left over, which he gave…
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When taking a 12 question multiple choice test, where each question has 3 possible answers, it would be or more questions correct by guessing alone? unusual to get Give your answer in the box above as a whole number.
When taking a 6 question multiple choice test, where each question has 5 possible answers, it would be unusual to get ____ or more questions correct by guessing alone.Give your answer in the box above as a whole number.
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