Answer:
Im pretty sure it is B
Step-by-step explanation:
at first I said D but then I realized it said positive
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:

Referring to a standard normal distribution table, and using z = 0.66, we find:

Therefore

The answer is: 0.2546
The point estimate is the mid-point of the interval:

The margin of error is the difference between the endpoints of the interval and the mid-point.
Answer:
CP is 13 because 20-13=7 also you can subtract 20-7=13
So, here us your ans 13.
Answer:The second graph
Step-by-step explanation:Basically since you have y=-6 you can show process of elimination by showing which linear lines cross the -6 crosspoint