Researchers found that a person in a particular country spent an average of 5.5 hours a day watching tv in 2010. assume the population standard deviation is 1.8 hours per day. a sample of 39 people averaged 6.3 hours of television viewing per day. does this result support the findings of the study?

Yes

Step-by-step explanation:

Because 6.3hours is still in the range 5.5+/-1.8 hours

Therefore the result support the findings of the study.

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours

4932,9180,7625 are divisible by 9