Check your numeracy skills with this simple quiz:


If the probability of the markets going up next week is 50% for
each day in that week, what would be the total probability that
the markets will go up at least on one single day in that week?

   a)   0%
   b)  50%
   c)  75.68%
   d)  96.875%
   e) 100%
   f) 250%
   g) none of the above


Answer:
======
Plot MetaStock indicator below to check your answer.

MetaStock -> Tools -> Indicator Builder -> New
Copy and paste formula below.


====================
Probability addition
====================
---8<---------------------------

{Displays sum of correlated event probabilities
 http://www.metastocktools.com }

{ Probability inputs }
per1:=Input("1st probability %",0,100,50)/100;
per2:=Input("2nd probability %",0,100,50)/100;
per3:=Input("3rd probability %",0,100,50)/100;
per4:=Input("4th probability %",0,100,50)/100;
per5:=Input("5th probability %",0,100,50)/100;
per6:=Input("6th probability %",0,100,0)/100;
per7:=0/100; {7th probability %}

{ Probability addition }
probability:=(1-(1-per1)*(1-per2)*(1-per3)
 *(1-per4)*(1-per5)*(1-per6)*(1-per7))*100;

{ Plot in own window }
probability

---8<---------------------------


http://www.metastocktools.com