In a current-events class, a professor predicted that at least 78 percent of students prefer getting their news from a digital source rather than from a print source. he polled 3 classes. the results are shown in the table below.

in which classes(es) did his prediction hold true? explain.

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What does the sign of the slope tell you about a line?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.