Probability Question

Sidney,Jasmin,Nina,Kristine,and Sarah are trying to find a prom dress for there school prom. What is the portability of Jasmine and Nina get a purple dress p(purple and purple) Kristine getting a green dress , Sidney getting a blue dress and Sarah getting a red dress?

Here is a video that might help you :

Here is a link that might help you: http://mathgoodies.com/lessons/vol6/intro_probability.html