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The probability of Jack hitting the bull's eye is 40%

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The probability of Jack hitting the bull's eye is 40%  [#permalink]

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New post 07 Mar 2018, 08:40
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A
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E

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Question Stats:

50% (01:25) correct 50% (03:04) wrong based on 2 sessions

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The probability of Jack hitting the bull's eye is 40%. How many times should he throw the dart in
order to have more than 90% probability of hitting the bull's eye at least once?

A. 3
B. 4
C. 5
D. 6
E. 7

Source: Experts Global

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Re: The probability of Jack hitting the bull's eye is 40%  [#permalink]

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New post 07 Mar 2018, 08:42
pushpitkc wrote:
The probability of Jack hitting the bull's eye is 40%. How many times should he throw the dart in
order to have more than 90% probability of hitting the bull's eye at least once?

A. 3
B. 4
C. 5
D. 6
E. 7

Source: Experts Global


Discussed here: the-probability-of-jack-hitting-the-bull-s-eye-is-40-how-many-times-251956.html

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: The probability of Jack hitting the bull's eye is 40% &nbs [#permalink] 07 Mar 2018, 08:42
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