The carbon dioxide emissions of a group of nations had a mean of 8.8 and standard deviation of 2.8. a. one country's observation was 15.9. find its z-score and interpret. b. another country's observation was 4.6. find its z-score and interpret. c. a third country's observation was 8.7. find its z-score and interpret.

Which graph has a rate of change of zero

Which of the following graphs could represent a cubic function?

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?