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# A toy manufactured by Sunni Gadgets Ltd. has two components

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Senior Manager
Joined: 30 Aug 2003
Posts: 330
Location: BACARDIVILLE
Followers: 1

Kudos [?]: 1 [0], given: 0

A toy manufactured by Sunni Gadgets Ltd. has two components [#permalink]  07 Mar 2004, 11:43
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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
A toy manufactured by Sunni Gadgets Ltd. has two components in it. 11 out of 100 of the first component are likely to be defective, while 4 out of 100 of the second component are likely to be defective. What is the probability that a toy that rolls out of the factory is defective?

0.85
0.0044
0.23
0.13
None of these
_________________

Pls include reasoning along with all answer posts.
****GMAT Loco****
Este examen me conduce jodiendo loco

SVP
Joined: 30 Oct 2003
Posts: 1794
Location: NewJersey USA
Followers: 5

Kudos [?]: 43 [0], given: 0

P of first component not deffective = 88/100 = 22/25
P of second component not defective = 96/100 = 24/25
P of not defective = 22/25 * 24 /25

P that toy is defective = 1 - 22/25 * 24/25 = 0.15

I guess E is the answer.
Senior Manager
Joined: 30 Aug 2003
Posts: 330
Location: BACARDIVILLE
Followers: 1

Kudos [?]: 1 [0], given: 0

Anand,
.15 is in fact the correct answer; however, their are computational errors in you reasoning.
_________________

Pls include reasoning along with all answer posts.
****GMAT Loco****
Este examen me conduce jodiendo loco

SVP
Joined: 30 Oct 2003
Posts: 1794
Location: NewJersey USA
Followers: 5

Kudos [?]: 43 [0], given: 0

hi,

I realized that my computation has mistakes. it should be 89/100 instead of 88/100

Bye the way what is meant by Este examen me conduce jodiendo loco
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