Because of the enormity of the viewing audience, firms that advertise during the super bowl create special commercials that tend to be quite entertaining. thirty-second commercials cost several million dollars during the super bowl game. a random sample of people who watched the game was asked how many commercials they watched in their entirety. do these data allow us to infer that the mean number of commercials watched is greater than 15?

a) which ethnic groups live in this community?

i just took test

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.

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