The problem is ambiguously worded. The "number of red balls" is a constant, R, so it is unlikely to ever coincide with K (irrespective of the value of N). What should be found here is
"the probability that, after N trials, the number of observations of red balls is K".
Add two numbers
"Low : High - Low : High - Turn around " -- Create a subindices vector
Change the sign of even index entries of the reversed vector
Back to Basics - Find no. of elements in a matrix?
Simple polynomial evaluation
Non trivial identities - summation
Probabilities - Balls and urns - 02
Non trivial identities - reshape
A shooting competition
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office