Sampling Methods and Predictions

These 12 shapes are put into a bag.  If you reach into the bag 60 times, replacing the shape after each time, predict how many times you would pull out a circle.

• 15 times
• 20 times
• 25 times
• 30 times

100 second graders were asked to do a book report about one of these four zoo animals.  The number of students who chose each animal is shown in the table.  If 250 second graders had to choose of of the four animals, predict how many would choose to write about a giraffe.

• 60 students
• 50 students
• 40 students
• 30 students

150 people were polled on their favorite sport.  Based on the table, if you asked only 25 people what their favorite sport is, how many would say soccer is their favorite sport?

• 5 people
• 6 people
• 8 people
• 10 people

If I spin 35 times, how many times would I land on yellow? *Hint: Set up a proportion.

What is the experimental probability of tails?

• 65%

• 35%

• 100%

• 00%

A bag contains:-5 red marbles-6 blue marbles-3 green marbles-4 black marbles-2 yellow marbles
A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?

• 14
• 65
• 7
• 35

Is the following a parameter or a statistic?

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter

• statistic

Is the following a parameter or a statistic?

Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.

• parameter

• statistic

Is the following a parameter or a statistic?

As of August 2021, 54% of the governors of the 50 states in the US are Republicans.

• parameter

• statistic

Is the following a parameter or a statistic?

In a survey of a sample of computer users, 8% said their computer had a malfunction that needed to be repaired by a service technician.

• parameter

• statistic