60/48
Both can be reduced by 12 to 5/4
So you can have 12 groups with 5 6th graders and 4 7th graders
Answer:
B. $72
Step-by-step explanation:
$768 / 256 = $3 per hot dog
So $3 • 24 = $72
Answer:
Null hypothesis: 
Alternative hypothesis: 
So we need to conduct a:
D. A two-sample z-test for a difference in population proportions
Because the idea is to check if the population proportions in the states are similar or not.
Step-by-step explanation:
For this case they are trying two proof if there is a significant difference between two states in the percents of high school students who order yearbooks, and we chan check this with the difference of proportions.
Lets say that
are the two proportions of interest and we want to check the following hypothesis:
We have the following info given:
proportion of students that had ordered a yearbook from one state
proportion of students that had ordered a yearbook from another state
sample size from one state
sample size from another state
Null hypothesis: 
Alternative hypothesis: 
So we need to conduct a:
D. A two-sample z-test for a difference in population proportions
Because the idea is to check if the population proportions in the states are similar or not.
$14.00 start dividing the pay with the hours....
<h3>
Answer: 50.24</h3>
Work Shown:

The area of the circular button is roughly 50.24 square mm.