The ratio of red beads to white beads on a necklace is 2:1.
What fraction of the beads are white?

What situation is an example of an observational study

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Is it true or false i’m trying to pass this test so i can leave school