Over 6 billion people use them worldwide. They can be used to find information and music.
They can be used to send text and email messages.
They can be used to take digital pictures.

The facts above describe how cell phones
A.
have changed the ways people communicate.
B.
have negative impacts on human networks.
C.
have become the only way people communicate.
D.
have replaced computers for Internet use.

(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