This circle graph shows where students in two sixth-grade classes volunteer after school. fifty students were surveyed. what percent volunteer at the animal shelter?

animal shelter: 11
library: 6
nursing home: 19
hospital: 14

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.