1 purple marble, 2 green marbles, 5 red marbles, and 3 yellow marbles are placed into a bag. One marble is chosen and not replaced. A second marble is chosen. What is the probability a red marble are chosen? Write your answer in simplest fraction form

How do i do this activity, is appreciated

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.

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15