math 533 week 2 textbook homework problems graded a questions and answer solutions | highly rated paper
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Devry University, Keller Graduate School Of Management
MATH 533
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MATH 533 Wk2 Homework
Question 1
( A)absenteesim P(A) 0.55
(T) turn over P(T) 0.41
A&T P(A and T) 0.22
P (A or T) =(P(A) + P(T) - P(A and T)
=0.55 + 0.41 - 0.22
0.74
question 2
,Part a
P(Invest, I) =44651/158044 0.283
Part b
P(IQ>=6) =71577/158,044 0.453
Part c
P(Invets AND (IQ>=6) ) =26567/158044 0.168
Part d
P( Inest OR (IQ>=6)) =P(Invest) +P(IQ>=6) - P(Invest AND (IQ>=6)
part a + part b - part c
0.567
Part e
P(Does not Invest) = P(Invest complement)
0.717 0.717477411 =113393/158044
Part f
TWO MUTUALLY EVENTS EXCLUSIVE, the PROBABILTY of the intersection is ZERO
P(Invets AND (IQ>=6) ) 0.168 from part C
EVENTS are not Mutually EXCLUSIVE
, Question 3
A B C
Overreport
Overreport by 4 psi by 6 psi or Overreport by 8
Station Gauge Pressure or more (%) more (%) psi or more (%) total
25 psi 16 2 0 18
35 psi 19 9 0 28
45 psi 19 14 5 38
55 psi 20 15 9 44
total 74 40 14 128
Above table in PERCENTAGE, not a raw DATA!!!!!!!!!!!
Part a
For gas station air pressure gauge read 35 psi, P(B, over report by 6 psi or more)
0.09
Part b
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