A. For one question, what is the probability that a student will answer it correctly if he has 3 possible answers and just answers it at random? Enter your answer in fraction form. B. What is the probability that out of 15 questions, he answers no questions right? Answer: Round your answer to 4 decimal places. C. What is the probability that out of 15 questions, he answers exactly one question right? Answer:

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question
A student is given a test consisting of 15 multiple choice questions, each having 3 possible answers. The
student didn't study, so he decides to answer every question at random.
#
A. For one question, what is the probability that a student will answer it correctly if he has 3 possible
answers and just answers it at random?
e
Answer:
Enter your answer in fraction form.
B. What is the probability that out of 15 questions, he answers no questions right?
Round your answer to 4 decimal places.
C. What is the probability that out of 15 questions, he answers exactly one question right?
Round your answer to 4 decimal places.
Answer:
C
$
THE
4
r
Answer:
f
18
C
I
V
%
5
t
g
b
6
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h
hp
&
7
n
u
j
* 00
8
m
O
k
9
O
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O
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{
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Transcribed Image Text:A student is given a test consisting of 15 multiple choice questions, each having 3 possible answers. The student didn't study, so he decides to answer every question at random. # A. For one question, what is the probability that a student will answer it correctly if he has 3 possible answers and just answers it at random? e Answer: Enter your answer in fraction form. B. What is the probability that out of 15 questions, he answers no questions right? Round your answer to 4 decimal places. C. What is the probability that out of 15 questions, he answers exactly one question right? Round your answer to 4 decimal places. Answer: C $ THE 4 r Answer: f 18 C I V % 5 t g b 6 y h hp & 7 n u j * 00 8 m O k 9 O alt O 1 р ctri { [ ? = 1 } <
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