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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
Posts: 3308
Location: India
GPA: 3.12
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, 02:16
00:00

Difficulty:

5% (low)

Question Stats:

90% (00:51) correct 10% (01:37) wrong based on 34 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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Originally posted by pushpitkc on 02 Nov 2018, 02:14.
Last edited by Bunuel on 02 Nov 2018, 02:16, edited 1 time in total.
Edited the question.
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Status: Quant Expert Q51
Joined: 02 Aug 2014
Posts: 103
Re: A study based on a random sample revealed that, on average, 2 out of 5  [#permalink]

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03 Nov 2018, 03:05
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   [#permalink] 03 Nov 2018, 03:05
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