GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
If four numbers are randomly selected without replacement fr
[#permalink]
26 Jun 2018, 21:09
26 Jun 2018, 21:09
1
00:00
Question Stats:
76% (00:28) correct
23% (00:46) wrong based on 43 sessions
Hide Show timer Statistics
If four numbers are randomly selected without replacement from set {1, 2, 3, 4}, what is the probability that the four numbers are selected in ascending order?
A 1/256
B 1/64
C 1/48
D 1/24
E 1/12
A 1/256
B 1/64
C 1/48
D 1/24
E 1/12
Re: If four numbers are randomly selected without replacement fr
[#permalink]
27 Jun 2018, 06:00
27 Jun 2018, 06:00
amorphous wrote:
If four numbers are randomly selected without replacement from set {1, 2, 3, 4}, what is the probability that the four numbers are selected in ascending order?
A 1/256
B 1/64
C 1/48
D 1/24
E 1/12
A 1/256
B 1/64
C 1/48
D 1/24
E 1/12
Since the numbers are selected randomly without replacement then;
Probability of selecting Four nos. in ascending order =\(\frac{1}{4} * \frac{1}{3} * \frac{1}{2} * \frac{1}{1}\) = \(\frac{1}{24}\)
Re: If four numbers are randomly selected without replacement fr
[#permalink]
13 Jul 2020, 05:32
13 Jul 2020, 05:32
I found this task useful. I've spent a little time doing it, and I've asked my friends to do it.
