Answer:
b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.
Step-by-step explanation:
Confidence interval:
Confidence level of x%
We build from a sample.
Between a and b.
Intepretation: We are x% sure that the population mean is between a and b.
In this question:
90%
45 CEO's
Between ($139,048, $154,144).
So
We are 90% sure that the mean salary of all CEO's falls within this interval.
The correct answer is:
b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.
6 = k/9 => k = 6 x 9 = 54 N
a = 54/2 = 27 meters per second per second
2 gallons divided between 9 people would equal 0.222222222 gallons per person
We need more detail to help with the problem.
Name them as vertices A,B,C , D and E in that order.
