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A study based on a random sample revealed that, on average, 2 out of 5

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Joined: 26 Feb 2016
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A study based on a random sample revealed that, on average, 2 out of 5  [#permalink]

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Updated on: 02 Nov 2018, 01:16
00:00

Difficulty:

5% (low)

Question Stats:

100% (00:43) correct 0% (00:00) wrong based on 20 sessions

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A study based on a random sample revealed that, on average, 2 out of 5 adults have high blood pressure. If these results hold true for the 580,000 adults in City A, approximately how many adults in City A have high blood pressure?

(A) 116,000
(B) 145,000
(C) 232,000
(D) 250,000
(E) 290,000

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You've got what it takes, but it will take everything you've got

Originally posted by pushpitkc on 02 Nov 2018, 01:14.
Last edited by Bunuel on 02 Nov 2018, 01:16, edited 1 time in total.
Edited the question.
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Status: Quant Expert Q51
Joined: 02 Aug 2014
Posts: 93
Re: A study based on a random sample revealed that, on average, 2 out of 5  [#permalink]

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03 Nov 2018, 02:05
Easy,

$$\frac{2}{5}*580000 = 232000$$

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Re: A study based on a random sample revealed that, on average, 2 out of 5 &nbs [#permalink] 03 Nov 2018, 02:05
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