What is the difference between the critical region and p-value? How are they related? If we get a result that falls into the critical region, does that show that treatment might have worked?

An equation where variables are used to represent known values—function notation true or false

Which value would be a solution for x in the inequality 47-4x< 7

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.