Quantcast
Channel: GMAT Club Forum - Forums > Problem Solving (PS)
Viewing all articles
Browse latest Browse all 462833

Data Sufficiency (DS) | Re: How many times was a fair coin tossed? (1) If the coin has been tosse

$
0
0
Bunuel wrote:

dabaobao wrote:
Bunuel wrote:
How many times was a fair coin tossed?

(1) If the coin has been tossed 4 times fewer, the probability of getting heads on every toss would have been (1/8)
(2) When a coin is tossed the number of times, the number of different possible sequences of heads and tails is 128.


VeritasKarishmaBunuel I have a doubt regarding this Q and really appreciate some help. Thanks!

I feel that the answer for this Q should be B since we can't assume the probability of getting a head to be 1/2. I know that we
...

Viewing all articles
Browse latest Browse all 462833

Latest Images

Trending Articles



Latest Images