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Probability

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Director
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Joined: 09 Aug 2017
Posts: 633
Probability  [#permalink]

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New post 18 Nov 2019, 18:34
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Question Stats:

67% (01:08) correct 33% (01:07) wrong based on 3 sessions

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A hiking club’s trip will be cancelled if, on the first day of the trip, the temperature is less than 20 degrees Fahrenheit or it is snowing. There is a 15% chance that temperatures will be below 20 degrees and a 60% chance that it will not snow. If the only possible precipitation is snow, what is the likelihood that the trip will be cancelled?

a. 40%
b. 49%
c. 55%
d. 66%
e. 75%
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Joined: 16 Feb 2015
Posts: 177
Location: United States
Concentration: Finance, Operations
Schools: INSEAD, ISB
Probability  [#permalink]

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New post 18 Nov 2019, 20:39
gvij2017 wrote:
A hiking club’s trip will be cancelled if, on the first day of the trip, the temperature is less than 20 degrees Fahrenheit or it is snowing. There is a 15% chance that temperatures will be below 20 degrees and a 60% chance that it will not snow. If the only possible precipitation is snow, what is the likelihood that the trip will be cancelled?

a. 40%
b. 49%
c. 55%
d. 66%
e. 75%


This Question is actually posted by Bunuel. bb Bunuel

[/url]https://gmatclub.com/forum/a-hiking-club-s-trip-will-be-cancelled-if-on-the-first-day-of-the-tri-263630.html[/url]

Please don't post same question. This is against the rules
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Joined: 02 Sep 2009
Posts: 59756
Re: Probability  [#permalink]

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New post 19 Nov 2019, 00:23
gvij2017 wrote:
A hiking club’s trip will be cancelled if, on the first day of the trip, the temperature is less than 20 degrees Fahrenheit or it is snowing. There is a 15% chance that temperatures will be below 20 degrees and a 60% chance that it will not snow. If the only possible precipitation is snow, what is the likelihood that the trip will be cancelled?

a. 40%
b. 49%
c. 55%
d. 66%
e. 75%


Discussed here: https://gmatclub.com/forum/a-hiking-clu ... 63630.html

Please search before posting and name topics properly. Thank you.
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Re: Probability   [#permalink] 19 Nov 2019, 00:23
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