At jefferson middle school, eighty-two students were asked which sports they plan to participate in for the coming year. twenty students plan to participate in track and cross country; six students in cross country and basketball; and eight students in track and basketball. twelve students plan to participate in all three sports. a total of thirty students plan to participate in basketball, and a total of forty students plan to participate in cross country. ten students don't plan to participate in any of the three sports. how many students plan to just participate in cross country? 2 ,4 ,40 ,30

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean