Determine the probability that a randomly selected multiple birth for women​ 15-54 years old involved a mother who less than 45 years old. P(less than)=  15-19=88

​20-24=508

​25-29=1633

​30-34=2834

​35-39=1843

​40-44=376

45-54=116

To determine the probability that a randomly selected multiple birth involved a mother who was **less than 45 years old**, follow these steps:

### 1. **Calculate the total number of multiple births:**

Add up the numbers of multiple births across all age groups:

\[
\text{Total} = 88 + 508 + 1633 + 2834 + 1843 + 376 + 116 = 7398
\]

### 2. **Calculate the number of multiple births for mothers less than 45 years old:**

Add the numbers of multiple births for the age groups 15-19, 20-24, 25-29, 30-34, 35-39, and 40-44:

\[
\text{Multiple births for mothers less than 45} = 88 + 508 + 1633 + 2834 + 1843 + 376 = 7282
\]

### 3. **Determine the probability:**

The probability \( P(\text{less than 45}) \) is the ratio of the number of multiple births for mothers less than 45 years old to the total number of multiple births:

\[
P(\text{less than 45}) = \frac{7282}{7398}
\]

### 4. **Calculate the probability:**

\[
P(\text{less than 45}) \approx \frac{7282}{7398} \approx 0.9843
\]

### **Final Answer:**

The probability that a randomly selected multiple birth involved a mother who was less than 45 years old is approximately **0.9843** or **98.43%**.

Would you like any further details or have any questions?

Here are some related questions:
1. What is the probability that a multiple birth involved a mother aged 40-44?
2. How does the probability change if we consider only mothers aged 15-39?
3. What is the probability that a randomly selected multiple birth involved a mother aged 45-54?
4. How can this probability inform healthcare planning for mothers under 45?
5. What percentage of multiple births involve mothers aged 25-34?

**Tip:** In probability, when dealing with ranges or intervals, always ensure you include all relevant groups in your calculations to avoid errors.

Learn how to calculate the probability that a randomly selected multiple birth involved a mother who was less than 45 years old. Detailed step-by-step solution includes data for age groups 15-19, 20-24, 25-29, 30-34, 35-39, and 40-44. Probability is calculated as approximately 98.43%. Explore related questions and implications for healthcare planning.

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