The sample mean is the midpoint between the lower and the upper limit of the confidence interval, that is, the sum of the lower and the upper limit divided by 2.

In this problem, we have that:

Lower limit: 50k

Upper limit: 70k

(50k + 70k)/2 = 60k

So the correct answer is:

d. 60k

4 0

3 years ago

“IF YOU ARE GIVEN 2 SEGMENT LENGTHS, DESCRIBE HOW YOU WOULD FIND THE RANGE OF POSSIBLE LENGTHS OF THE THIRD SIDE?” (BEST ONE GET

Ainat [17]

Answer:

To find a range of values for the third side when given two lengths, write two inequalities: one inequality that assumes the larger value given is the longest side in the triangle and one inequality that assumes that the third side is the longest side in the triangle. Combine the two inequalities for the final answer.

Step-by-step explanation:

3 0

4 years ago