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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
answer the following question
![Statistics Formulae
Mean = u=
ΣΤ
Sample Variance = s
Some Probability Formulae
P(AUB) = P(A)+ P(B) - P(AnB)
1.
P(AnB), P(B) >0
2.
P(A/ B) =
P(B)
3.
P(AnB) = P(A/ B) + P(B)
4.
P(A/ B) = P(A)
P(AnB) = P(4) + P(B)
5.
P(A) = P(A/ B)P(B) + P(A/B)P(P(B)
6.
P(B/ A)P(A)
P(B/ A)P(A)+ P(B/A)P(A)
8.
P(A B) =
u = E(X) = ExP(x)
9.
a' =V(X) = E[(X -']= E(x-4)' P(x)
10.
a' =V(X)= E(X)* -[E(X)]*
11.
n!
12.
P(x) =
13.
u = npi
= npg
14.
-: for x= 0,1,2,3.
P(x)= pqx-1
15.](https://content.bartleby.com/qna-images/question/629ed93e-4080-444e-8701-1ffda401e024/99321328-e688-4a17-b611-454c59c64ce7/18k22ch_thumbnail.png)
Transcribed Image Text:Statistics Formulae
Mean = u=
ΣΤ
Sample Variance = s
Some Probability Formulae
P(AUB) = P(A)+ P(B) - P(AnB)
1.
P(AnB), P(B) >0
2.
P(A/ B) =
P(B)
3.
P(AnB) = P(A/ B) + P(B)
4.
P(A/ B) = P(A)
P(AnB) = P(4) + P(B)
5.
P(A) = P(A/ B)P(B) + P(A/B)P(P(B)
6.
P(B/ A)P(A)
P(B/ A)P(A)+ P(B/A)P(A)
8.
P(A B) =
u = E(X) = ExP(x)
9.
a' =V(X) = E[(X -']= E(x-4)' P(x)
10.
a' =V(X)= E(X)* -[E(X)]*
11.
n!
12.
P(x) =
13.
u = npi
= npg
14.
-: for x= 0,1,2,3.
P(x)= pqx-1
15.

Transcribed Image Text:The total claim amount X made in one year on a portfolio of insurance policies has
probability density function
x20,1 >0
otherwise
Show that
(a) E(X)==
(b)
Var(X)=
(c)
P(X >x)=e* (1+ ix)
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