Can you check following?

1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student interest in sports. Which of the following survey options will result in a random sample of the target population?

A) Survey the first 50 students from each grade level that enters the lunchroom.

B) Survey the first 50 students who purchase a ticket to the football game.

C) Survey every 5th student who purchases a ticket to the football game.

D) All of the above will result in a random sample of the target population.

Ans: A

2. A square pyramid is sliced by a plane that is parallel to its base. What is the shape of the cross section?�
A) circle� B) rectangle
C) square� D) triangle

Ans: c. square

Both answers are right.

thanks!

You are welcome.

To determine the correct answer for each question, we need to understand the concept and apply it to the given options.

1. In order to get a random sample of the target population (which is students interested in sports), it is important to choose a survey method that does not introduce bias.

A) Surveying the first 50 students from each grade level that enters the lunchroom may not be a random sample as it only includes students present in the lunchroom, which may not be representative of the entire target population.

B) Surveying the first 50 students who purchase a ticket to the football game also may not result in a random sample, as it only includes students who have already shown interest in attending the games.

C) Surveying every 5th student who purchases a ticket to the football game introduces some element of randomness, as it selects every 5th student, but it may still suffer from biases depending on the pattern of ticket purchase.

Therefore, the best option for obtaining a random sample of the target population is:

A) Survey the first 50 students from each grade level that enters the lunchroom.

2. A square pyramid is a 3D object with a square base. When it is sliced by a plane that is parallel to its base, the resulting cross section will also be a shape with the same number of sides as the base, which is a square.

Therefore, the correct answer is:

C) Square.