a. P(V1)  b. P(A3C)  c. P( A5  ∩∩ V0)  d. P(A1|V1)  e. P(V1|A1)  f. Are age and violations independent?    no yes

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Age

Violations

0

V0

1

V1

2+

V2

P(Ai)

Under 21

A1

0.04

0.06

0.02

0.12

21-30

A2

0.13

0.08

0.01

0.22

31-40

A3

0.12

0.07

0.01

0.20

41-59

A4

0.23

0.10

0.02

0.35

60+

A5

0.08

0.03

0.00

0.11

P(Vj)

0.60

0.34

0.06

1.0

The above two-way contingency table gives the breakdown of the population in a particular locale according to age and number of vehicular moving violations in the past three years.

Find the following:

aP(V1

b. P(A3C

c. P( A ∩∩ V0

d. P(A1|V1

e. P(V1|A1

f. Are age and violations independent? 

 

  • no
  • yes
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