Question 1 Below is a partially complete probability distribution for a discrete random variable: X 1 2 3.5 6 P(X) 0.2 Find the expected value of X. Do not round your final answer (it should include 3 decimal places). 0.15 0.15 ? Question 2 Let X be the number of junk emails received in a day. A website developer determines the probability distribution of X is: X 1 2 3 4 5 6 0.01 0.20 0.17 P(X) What is the probability that the number of junk emails received in a day is at most 2? Enter your answer as a decimal. 0.09 0.12 0.24 0.17 Question 3 Let X be the number of junk emails received in a day. A website developer determines the probability distribution of X is: X 1 2 3 4 5 6 P(X) What is the probability that the number of junk emails received in a day is at least 1? Enter your answer as a decimal. 0.01 0.09 0.12 0.24 0.20 0.17 0.17
Question 1 Below is a partially complete probability distribution for a discrete random variable: X 1 2 3.5 6 P(X) 0.2 Find the expected value of X. Do not round your final answer (it should include 3 decimal places). 0.15 0.15 ? Question 2 Let X be the number of junk emails received in a day. A website developer determines the probability distribution of X is: X 1 2 3 4 5 6 0.01 0.20 0.17 P(X) What is the probability that the number of junk emails received in a day is at most 2? Enter your answer as a decimal. 0.09 0.12 0.24 0.17 Question 3 Let X be the number of junk emails received in a day. A website developer determines the probability distribution of X is: X 1 2 3 4 5 6 P(X) What is the probability that the number of junk emails received in a day is at least 1? Enter your answer as a decimal. 0.01 0.09 0.12 0.24 0.20 0.17 0.17
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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
Transcribed Image Text:Question 1
Below is a partially complete probability distribution for a discrete random variable:
X
1
2
3.5
6
P(X)
Find the expected value of X. Do not round your final answer (it should include 3
decimal places).
0.2
0.15
0.15
?
Question 2
Let X be the number of junk emails received in a day. A website developer
determines the probability distribution of X is:
X
1
2
3
4
5
6
Р(X) 0.01
What is the probability that the number of junk emails received in a day is at most 2?
0.09
0.12
0.24
0.20
0.17
0.17
Enter your answer as a decimal.
Question 3
Let X be the number of junk emails received in a day. A website developer
determines the probability distribution of X is:
X
1
2
3
4 5 6
0.01
0.20
P(X)
What is the probability that the number of junk emails received in a day is at least 1?
0.09
0.12
0.24
0.17
0.17
Enter your answer as a decimal.
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