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

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Senior Manager
Joined: 30 Aug 2003
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A toy manufactured by Sunni Gadgets Ltd. has two components [#permalink]

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07 Mar 2004, 12:43
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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

Kudos [?]: 26 [0], given: 0

SVP
Joined: 30 Oct 2003
Posts: 1788

Kudos [?]: 114 [0], given: 0

Location: NewJersey USA

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07 Mar 2004, 12:51
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.

Kudos [?]: 114 [0], given: 0

Senior Manager
Joined: 30 Aug 2003
Posts: 328

Kudos [?]: 26 [0], given: 0

Location: BACARDIVILLE

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07 Mar 2004, 12:58
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

Kudos [?]: 26 [0], given: 0

SVP
Joined: 30 Oct 2003
Posts: 1788

Kudos [?]: 114 [0], given: 0

Location: NewJersey USA

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07 Mar 2004, 13:21
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

Kudos [?]: 114 [0], given: 0

07 Mar 2004, 13:21
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# A toy manufactured by Sunni Gadgets Ltd. has two components

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