Band members Basketball players Total
Preferred Juice-aid
100
50
150
Preferred Fruit-aid
50
100
150
Total
150
150
300
Based on the data collected in the table, are a student's preference for Juice-aid and being in the band independent?
are
are not
does not change
changes
The events
independent; knowing a student is in the band
the probability he or she likes Juice-aid.

(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