Rodrigo wanted to buy his wife a pearl necklace for her birthday. murphy's jewelry had a necklace he liked for $139, but he bought the same necklace at pearls for her. this pearl necklace was originally $173.75, but was on sale for 20% off, which reduced the price to $139. he was very with his bargain. rodrigo is subject to:

What is the range for 31,39,29,34,37,24,36,33,34,28

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.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?