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We are interested in the number of years’ students in a particular elementary statistics class have lived in California. The information in the following table is from the entire section.

Use the graph to answer the following question: One hundred eleven people who shopped in a special t-shirt store were asked the number of t-shirts they own costing more than $19 each. The percentage of people who own at most three t-shirts costing more than $19 each is approximately:
 
Question 5 Answer

a.
 
21

b.
 
59

c.
 
41

d.
 
Cannot be determined



We are tasked with finding the percentage of people who own at most three T-shirts costing more than $19 each.

To do this, we will sum the relative frequencies for people who own 1, 2, or 3 such T-shirts. Here's the breakdown from the graph:

- People owning 1 T-shirt: $ \frac{5}{111} $
- People owning 2 T-shirts: $ \frac{17}{111} $
- People owning 3 T-shirts: $ \frac{23}{111} $

Now, let's compute the total relative frequency for people who own at most 3 T-shirts:
\[
\frac{5}{111} + \frac{17}{111} + \frac{23}{111} = \frac{45}{111}
\]
Next, convert this to a percentage:
\[
\frac{45}{111} \times 100 \approx 40.54\%
\]

Thus, approximately 41% of the people own at most 3 T-shirts costing more than $19 each.

The correct answer is **c. 41**.

Would you like further explanation, or do you have additional questions?

Here are five related questions to explore:

1. How would you calculate the percentage for people owning at least 5 T-shirts?
2. What is the total percentage of people owning 4 or more T-shirts?
3. How can you use a relative frequency distribution to estimate probabilities?
4. What would happen to the relative frequency if more data were collected?
5. How does the distribution of T-shirt ownership compare to other types of spending?

**Tip:** When adding relative frequencies, always verify the sum represents the correct cumulative group.

One hundred eleven people who shopped in a special t-shirt store were asked the number of t-shirts they own costing more than $19 each. The percentage of people who own at most three t-shirts costing more than $19 each is approximately: 
a.
 21
b.
 59
c.
 41
d.
 Cannot be determined

Find out how to calculate the percentage of people who own at most 3 t-shirts costing more than $19. This problem involves statistics, relative frequency, and percentages. Suitable for students in Grades 8-10.

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