In a survey of 100 people, 10 preferred onions on their hot dogs. What percent preferred onions?

Pls , the question is in the picture!

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.

0.75,1.75,2.75,3.75 is arithmetic or geometric?