Cruz has collected some marbles. the colors of the marbles are listed below.
• 8 red marbles • 2 blue marbles • 7 yellow marbles • 3 green marbles
cruz mixes all the marbles in a bag and then turns the bag upside-down so that only one marble falls out at a time. what is the probability that the first marble to fall out will be a blue marble?
what is the probability that the first marble to fall out will be red, yellow, or green?

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.