A survey of 116 law firms in a country found that the average hourly billing rate for partners was $578.
1 answer:
Complete Question
The complete question is shown on the first uploaded image
Answer:
a
The correct option is d
b
The correct option is b
Step-by-step explanation:
From the question we are told that
The sample size is
The mean is
Generally the population is all law firms in the country because it is the entire pool from which a statistical sample is drawn
The sample are the law firm that where surveyed because it is the statistical sample is drawn from the population
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Answer:
a) For this case we can use the fact that
And for this case since we ar einterested on and we know that the if we are below the y axis the sine would be negative then:
b) From definition we can use the fact that and we got this:
We can use the notabl angle and we know that :
Then we know that correspond to 225 degrees and that correspond to the III quadrant, and we know that the sine and cosine are negative on this quadrant. So then we have this:
Step-by-step explanation:
For this case we can use the notable angls given on the picture attached.
Part a
For this case we can use the fact that
And for this case since we ar einterested on and we know that the if we are below the y axis the sine would be negative then:
Part b
From definition we can use the fact that and we got this:
We can use the notabl angle and we know that :
Then we know that correspond to 225 degrees and that correspond to the III quadrant, and we know that the sine and cosine are negative on this quadrant. So then we have this:
