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# Every one who passes the test will be awarded a degree. The

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Every one who passes the test will be awarded a degree. The [#permalink]  07 May 2019, 02:15
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Question Stats:

79% (00:42) correct 20% (01:33) wrong based on 29 sessions
Every one who passes the test will be awarded a degree. The probability that Tom passes the test is 0.3, and the probability that John passes the test is 0.4. The two events are independent of each other. What is the probability that at least one of them gets the degree?

(A) 0.28

(B) 0.32

(C) 0.5

(D) 0.58

(E) 0.82
[Reveal] Spoiler: OA

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Intern
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Re: Every one who passes the test will be awarded a degree. The [#permalink]  04 Sep 2019, 23:19
.58
Intern
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Re: Every one who passes the test will be awarded a degree. The [#permalink]  06 Sep 2019, 01:40
How 0.58??
Intern
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Re: Every one who passes the test will be awarded a degree. The [#permalink]  07 Sep 2019, 06:44
1
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Here we can calculate the probability by 1- probability of both not getting degree ie 1-(0.7)(0.6)
1-0.42 =0.58
Re: Every one who passes the test will be awarded a degree. The   [#permalink] 07 Sep 2019, 06:44
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