Astudent was given an assignment to determine the percentage of students that brought a bag lunch to school. the student chose 5 random classrooms and surveyed every student in those classrooms. which type of sampling did the student use? a. systematic b. cluster c. stratified d. convenience

 B.   cluster

Step-by-step explanation:

Given: The student chose 5 random classrooms and surveyed every student in those classrooms. It shows that the student use Cluster sampling.

725 parts per hour.

step-by-step explanation:

hi there, this answer is actually really simple.

you can set it up as 1450/2 or 3625/5 to find the answer.

they want to know how much per hour is being made, so you just divide.

1450/2=725.

and that's how many are produced per hour.

hope this . : )

ummm seems that u didnt post the attachement !