Many animals, including humans, tend to avoid direct eye contact and even patterns that look like eyes. Some insects, including moths, have evolved eye-spot patterns on their wings to help ward off predators. Scaife (1976) reports a study examining how eye-spot patterns affect the behavior of birds. In the study, the birds were tested in a box with two chambers and were free to move from one chamber to another. In one chamber, two large eye-spots were painted on one wall. The other chamber had plain walls. The researcher recorded the amount of time each bird spent in the plain chamber during a 30-minute session. Suppose, for a sample of 12 birds, the study produced a mean of 19.42 minutes in the plain chamber with a standard deviation of 3.87 minutes. If the eye spots have no effect, then the birds should spend an average of 15 minutes in each chamber. Use a .01 level of significance to determine if the birds avoid eye contact and thus spend more time in the plain chamber. If appropriate, construct a 99 percent confidence interval. (NOTE: All of the information you need to solve this IS included in the description above; I just did some of the work for you.)