Probability and Statistics Concepts

The video tutorial covers the concept of probability, focusing on estimating the likelihood of events using percentages and fractions. It includes a practical activity with spinners to demonstrate sample space and probability outcomes. The session concludes with a discussion on homework problems, reinforcing the understanding of probability and sample space.

If the weather forecast predicts a 20% chance of rain, how would you describe the likelihood of rain?

• Very likely

• Likely

• Unlikely

• Certain

What is the probability of a tornado if the chance is 1 out of 10?

• 0.50

• 0.10

• 0.20

• 0.90

Which spinner has the most possible outcomes?

• Spinner D

• Spinner C

• Spinner B

• Spinner A

What is the probability of landing on a number other than three on Spinner D?

• 1/4

• 3/4

• 1/2

• 1/3

How can you improve the accuracy of your probability estimate in the block activity?

• Change the color of blocks

• Use more trials

• Use a different bag

• Use fewer trials

If Andre picks a block 60 times and 43 are green, what is the estimated probability of picking a green block?

• 1/3

• 1/2

• 2/3

• 43/60

What is the probability of turning to page 45 in a textbook with 428 pages?

• 1/50

• 1/428

• 1/214

• 1/100

If a number cube is rolled 100 times and lands on six 40 times, what might this suggest?

• The cube is biased

• The cube is broken

• The cube is new

• The cube is fair

What is the probability of landing on an even page number in a 428-page book?

• 1/3

• 1/4

• 1/428

• 1/2

What is the surface area of the original rectangular prism before it is cut?

• 94 square inches

• 144 square inches

• 100 square inches

• 50 square inches