Abag contains 10 green marbles and 4 yellow marbles. if two marbles are chosen at random, one at a time and without replacement, what is the probability of getting two green marbles?

a. 9/65
b. 1/196
c. 45/91
d. 64/169

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?