A bag contains 7 white marbles, 5 red marbles, and 3 green marbles. If 2 marbles are randomly drawn, what is the probability that the first marble is red and the second is white when the marbles are drawn? a. With replacement?

b. Without replacement?​

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4