A health journal conducted a study to see if packaging a healthy food product like junk food would influencechildren's desire to consume the product. A fictitious brand of a healthy food productsliced appleswas packaged to appeal to children. The researchers showed the packaging to a sample of 345 school children and asked each whether he or she was willing to eat the product. Willingness to eat was measured on a5-point scale, with 1="not willing atall" and 5="very willing." The data are summarized as x=3.29 and s=2.39. Suppose the researchers knew that the mean willingness to eat an actual brand of sliced apples(which is not packaged forchildren) is =3.

a. Find the test statistic.

b. Find the p-value.