249 reputation
111
bio website
location Macedonia
age
visits member for 1 year, 11 months
seen 2 days ago

May
10
awarded  Informed
Nov
15
awarded  Yearling
Oct
27
awarded  Critic
May
14
awarded  Caucus
May
10
asked Finding number of functions in set A
May
2
revised How do you calculate the probability of simultaneous events?
deleted 28 characters in body
Apr
29
revised How do you calculate the probability of simultaneous events?
added 17 characters in body
Apr
29
answered How do you calculate the probability of simultaneous events?
Apr
29
comment How do you calculate the probability of simultaneous events?
Let A1, A2, A3, A4 be the events. Let P(A) be the probability of the event. So P(A1) = P(A2) = P(A3) = P(A4) = 0.1. You are searching for the probability of the union. P(A1 union A2 union A3 union A4) = P(A1) + P(A2) + P(A3) + P(A4) - P(A1)P(A2) - P(A1)P(A3) - P(A1)P(A4) - P(A2)P(A3) - P(A2)P(A4) - P(A3)P(A4) + P(A1)P(A2)P(A3) + P(A1)P(A2)P(A4) + P(A1)P(A3)P(A4) + P(A2)P(A3)P(A4) - P(A1)P(A2)P(A3)P(A4). Do the calculation and you'll have the exact probability. Hope this helps.
Apr
6
revised When two voters meet, they switch allegiance; might they all ally with the same candidate?
deleted 98 characters in body
Apr
1
awarded  Nice Question
Mar
31
accepted When two voters meet, they switch allegiance; might they all ally with the same candidate?
Mar
31
awarded  Commentator
Mar
31
comment When two voters meet, they switch allegiance; might they all ally with the same candidate?
No, 'always' is not implied. The question is about whether even one possibility exists. Feel free to edit it if you feel appropriate.
Mar
31
accepted Proving a system of n linear equations has only one solution
Mar
31
asked When two voters meet, they switch allegiance; might they all ally with the same candidate?
Mar
31
asked Proving a system of n linear equations has only one solution
Jan
5
accepted Easiest way to prove that $2^{\aleph_0} = c$
Jan
5
comment Easiest way to prove that $2^{\aleph_0} = c$
Your answer is good. I understand what the theorem states, I looked it up before posting this. I'll wait a while to see if anybody comes up with a simpler solution, and if that doesn't happen I'll accept the answer. Forget an explicit bijection, but could you possibly explicitly suggest examples for the desired injections? Thanks
Jan
5
revised Easiest way to prove that $2^{\aleph_0} = c$
edited title