Mary's Final Exam for Psychology has 10 True/False questions and 10 multiple choice questions with 4 choices for each answer. Assuming Mary randomly guesses on every question: **Write answers using 3 decimal places** a.) What's the probability that she gets at least 8 of the 10 true/false questions correct?  b.) What's the probability that she gets at least 5 of the 10 multiple choice questions correct?  c.) If the multiple choice questions had 5 choices for answers instead of 4, what's the probability that she gets at least 5 of the 10 multiple choice questions correct?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Mary's Final Exam for Psychology has 10 True/False questions and 10 multiple choice questions with 4 choices for each answer. Assuming Mary randomly guesses on every question:

**Write answers using 3 decimal places**

a.) What's the probability that she gets at least 8 of the 10 true/false questions correct? 

b.) What's the probability that she gets at least 5 of the 10 multiple choice questions correct? 

c.) If the multiple choice questions had 5 choices for answers instead of 4, what's the probability that she gets at least 5 of the 10 multiple choice questions correct? 

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