https://file.aiquickdraw.com/mathbot/file/17294543286617qiprc34.jpg

To solve this, let's break down the information provided:

- **Desktop customers**: Out of 50 customers, all but 11 purchased the service plan. This means \(50 - 11 = 39\) customers purchased the service plan.
- **Notebook customers**: Out of 100 customers, all but 28 purchased the service plan. This means \(100 - 28 = 72\) customers purchased the service plan.

### Filling the blanks:

1. **First blank (Choose one)**: We are comparing two groups: desktop and notebook customers. Since 39 out of 50 desktop customers purchased the service plan, which is 78%, and 72 out of 100 notebook customers purchased the service plan, which is 72%, **desktop customers** are more likely to purchase the service plan.

2. **Second blank (Percentage for desktop customers)**: The percentage of desktop customers who did not purchase the service plan is \( \frac{11}{50} \times 100 = 22\%\).

3. **Third blank (Percentage for notebook customers)**: The percentage of notebook customers who did not purchase the service plan is \( \frac{28}{100} \times 100 = 28\%\).

### Completed statement:

"Last month, customers of the store who purchased **desktop** computers were more likely to purchase the service plan. That is because only **22%** did not purchase the service plan, whereas **28%** of the customers who bought **notebook** computers did not purchase the service plan."

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Would you like any further details or have any questions?

Here are 5 related questions to expand your understanding:
1. How are percentages calculated when dealing with different sample sizes?
2. What other statistical tools can be used to analyze purchasing behavior?
3. How would the conclusion change if the notebook customer percentages were higher?
4. What factors might influence a customer’s decision to purchase a service plan?
5. How can this data be used to improve sales strategies?

**Tip:** Always check for the total population and calculate both the percentage that completed an action and those who did not to make comparisons.

The records of a computer retail store show that out of the 50 customers who purchased a desktop computer last month, all but 11 also purchased a service plan that extends the warranty for an extra year. Out of the 100 customers who purchased a notebook computer last month, all but 28 purchased the same service plan.
Fill in the blanks below to make the most reasonable statement possible.

Analyze the purchase rates of service plans among desktop and notebook computer customers. Understand how 78% of desktop customers and 72% of notebook customers opted for the extended warranty, with step-by-step percentage calculations. Suitable for students in Grades 6-8.

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