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# The probability is 1/2 that a coin will turn up heads on any given tos

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Math Expert
Joined: 02 Sep 2009
Posts: 53802
The probability is 1/2 that a coin will turn up heads on any given tos  [#permalink]

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03 Jan 2019, 04:55
00:00

Difficulty:

15% (low)

Question Stats:

95% (00:33) correct 5% (00:39) wrong based on 25 sessions

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The probability is 1/2 that a coin will turn up heads on any given toss and the probability is 1/6 that a number cube with faces numbered 1 to 6 will turn up any particular number. What is the probability of turning up a heads and a 6?

(A) 1/36
(B) 1/12
(C) 1/6
(D) 1/4
(E) 2/3

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Re: The probability is 1/2 that a coin will turn up heads on any given tos  [#permalink]

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03 Jan 2019, 05:06
and means multiply ->
$$\frac{1}{2}$$ * $$\frac{1}{6}$$ = $$\frac{1}{12}$$ B
Manager
Joined: 26 Dec 2018
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Location: India
Re: The probability is 1/2 that a coin will turn up heads on any given tos  [#permalink]

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03 Jan 2019, 06:13
Question : What is the probability of turning up a heads and a 6?
When the question stem mentions "and" then it implies multiplication.

Given :
The probability is 1/2 that a coin will turn up heads
The probability is 1/6 that a cube will turn up any particular number.

Therefore,
1/2 x 1/6 = 1/12
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Re: The probability is 1/2 that a coin will turn up heads on any given tos   [#permalink] 03 Jan 2019, 06:13
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