How are permutations and combinations used to compute probabilities of compound events?

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.