The answer is 2.25 hours, or 2 hours and 25 minutes.
9.50-5=4.50
4.50/2=2.25
C) national? I'm sorry if I am wrong
Z = (x -μ)/σ
.. = (99 -88)/5
.. = 11/5
.. = 2.2
The z score is 2.2.
Answer:
If a mother is smoking and there are significant birth weights, a bar graph will be most effective. A bar graph can show how many children have similar weights, and you can tell which weights are most common.
Hope this helped.
