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# In the barui family there are 2 more girls than boys. At random Mrs. b

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Retired Moderator
Joined: 27 Oct 2017
Posts: 1321
Location: India
GPA: 3.64
WE: Business Development (Energy and Utilities)
In the barui family there are 2 more girls than boys. At random Mrs. b  [#permalink]

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27 Nov 2019, 01:25
1
00:00

Difficulty:

45% (medium)

Question Stats:

50% (01:36) correct 50% (01:30) wrong based on 26 sessions

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In the barui family there are 2 more girls than boys. At random Mrs. barui asks one of her children to go to the store. If she is equally likely to ask any of her children and the probability that she asks a girl is $$2/3$$, how many boys and how many girls are there in barui family?

A. (2,4)
B. (3,5)
C. (4,6)
D. (6,8)
E. (8,6)

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Retired Moderator
Joined: 27 Oct 2017
Posts: 1321
Location: India
GPA: 3.64
WE: Business Development (Energy and Utilities)
Re: In the barui family there are 2 more girls than boys. At random Mrs. b  [#permalink]

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27 Nov 2019, 21:35
1
This is a very basic probability question.
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Re: In the barui family there are 2 more girls than boys. At random Mrs. b   [#permalink] 27 Nov 2019, 21:35
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