Even though 459.2 is significantly different from 520, the relationship goes in the wrong direction. In other words, the data do not provide enough evidence to conclude that the mean number of Facebook friends of all SJSU college students is higher than 520.

Nothing. The conditions for use of a t-test were not met. She cannot trust that the P-value is accurate for this reason.

520 is significantly larger than 459.2. In other words the data provide provide enough evidence to conclude that the mean number of Facebook friends of all SJSU college students is higher than 459.2.