Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A goalkeeper has probability
3
10
\frac{3}{10}
10
3
of saving a penalty attempt. How many goals would he expect to save from 90 attempts?
Browse the problem library