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26 Jul 2022, 01:30
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
57% (01:26) correct
43%
(01:24)
wrong
based on 172
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What is the probability that on a given workday Mr. Jonathan dresses in formals, travels by car to his office, and drinks a coffee there?
(1) Jonathan dresses in formals on alternate days, and drinks coffee each day he wears formals.
(2) Jonathan goes to his office by car 3 of every 5 days.
Are You Up For the Challenge: 700 Level Questions
(1) Jonathan dresses in formals on alternate days, and drinks coffee each day he wears formals.
(2) Jonathan goes to his office by car 3 of every 5 days.
Are You Up For the Challenge: 700 Level Questions
12 Aug 2022, 09:31
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Bunuel
(1) Jonathan dresses in formals on alternate days, and drinks coffee each day he wears formals.
We still do not know two things considering only work days:
(i) Whether the days are Mon, Wed and Fri or Tue and Thu?
(ii) On which days does he travel by his car to office?
Without these info. statement is INSUFF.
(2) Jonathan goes to his office by car 3 of every 5 days.
We do not know whether he dresses in formal , drinks coffee these same days that he drives to office .
INSUFF.
1+2
We still do not know on which days he does all three of these tasks.
INSUFF.
Hope it's clear.
Ans E
13 Aug 2022, 11:21
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Probability of (Formals) : 1/2
Probability of (Coffee/Formals) : 1
Probability of (going to office by car) : 3/5
As all are mutually exclusive / independent events.
Probability : (1/2 * 1 * 3/5) = 0.3
What is problem in the solution ?
Probability of (Coffee/Formals) : 1
Probability of (going to office by car) : 3/5
As all are mutually exclusive / independent events.
Probability : (1/2 * 1 * 3/5) = 0.3
What is problem in the solution ?
