Math Problem Statement

What simple probability is represented by the shaded area? Enter your answer as a fraction.

Solution

The image shows a regular octagon, with some of its sectors shaded, and the question asks for the probability represented by the shaded area.

Steps to calculate the probability:

  1. Count the total number of sectors: The shape is an octagon, which has 8 equal sectors.
  2. Count the number of shaded sectors: From the image, 3 of the 8 sectors are shaded.
  3. Calculate the probability: The probability is the ratio of the shaded sectors to the total sectors.

Thus, the probability is:

P(shaded area)=Number of shaded sectorsTotal number of sectors=38P(\text{shaded area}) = \frac{\text{Number of shaded sectors}}{\text{Total number of sectors}} = \frac{3}{8}

The simple probability represented by the shaded area is 38\frac{3}{8}.

Would you like more details or have any questions?

Here are some related questions:

  1. How can the probability change if we increase the number of shaded sectors?
  2. What would the probability be if there were only 2 shaded sectors?
  3. How do we calculate probabilities in non-regular polygons?
  4. How can the concept of probability be applied to a real-world octagon, like a stop sign?
  5. How would the probability differ if the sectors had unequal areas?

Tip: Always ensure that the total number of possible outcomes (here, the total number of sectors) is correctly identified when calculating probability.

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Math Problem Analysis

Mathematical Concepts

Probability
Fractions
Geometric Shapes

Formulas

Probability = (Number of favorable outcomes) / (Total possible outcomes)

Theorems

Basic Probability

Suitable Grade Level

Grades 6-8