Question
An aquarium is housing 11 Pacific oysters, 13 Eastern oysters, 19 Chilean oysters, and 23 Kumamoto oysters. How many ways can I randomly choose 2 of each of the four species of oyster to move to a different location?
140
likes701 views
Answer to a math question An aquarium is housing 11 Pacific oysters, 13 Eastern oysters, 19 Chilean oysters, and 23 Kumamoto oysters. How many ways can I randomly choose 2 of each of the four species of oyster to move to a different location?
Gene
4.5108 Answers
use Fundamental principles of counting to get the desired number as
C\left(11,2\right)\times C\left(13,2\right)\times C\left(19,2\right)\times C\left(23,2\right)
=\frac{11\times10}{2}\times\frac{13\times12}{2}\times\frac{19\times18}{2}\times\frac{23\times22}{2}=185598270
Frequently asked questions (FAQs)
Math question: In a circle, if an angle at the center is twice the size of an angle at the circumference, and the angle at the circumference measures 60 degrees, what is the measure of the angle at the center?
+
What is the maximum value of a continuous function f(x) on a closed interval [a, b]?
+
What is the value of arcsin(sin(3π/4)) in terms of π?
+
New questions in Mathematics