4. Probability

Given the data below, determine the probability that a person randomly selected from Group 1 will be wearing jeans.

In your coin purse, you have 3 quarters, 4 nickels, & 2 dimes. If you pick a coin at random, what is the probability that it will be a quarter?

Which of the following is an example of random selection?

In the context of probability experiments, which of the following best describes an $independent$ variable?