Questions: The table shows the distribution, by age and gender, of the 28.9 million people who live alone in a certain region. Use the data in the table to find the probability that a randomly selected person living alone in the region is in the 25-34 age range.
The probability is .
(Type an integer or decimal rounded to the nearest hundredth as needed.)
Transcript text: The table shows the distribution, by age and gender, of the 28.9 million people who live alone in a certain region. Use the data in the table to find the probability that a randomly selected person living alone in the region is in the 25-34 age range.
The probability is $\square$ $\square$.
(Type an integer or decimal rounded to the nearest hundredth as needed.)
Solution
Solution Steps
To find the probability that a randomly selected person living alone in the region is in the 25-34 age range, we need to know the number of people in the 25-34 age range and the total number of people living alone. The probability is then the ratio of these two numbers.
Step 1: Determine Total Population
The total number of people living alone in the region is given as \( 28.9 \) million, which can be expressed as:
\[
\text{Total} = 28.9 \times 10^6 = 28900000
\]
Step 2: Identify Age Group Population
The number of people living alone in the age range of \( 25-34 \) is provided as \( 5.8 \) million, which can be expressed as:
\[
\text{Age Group} = 5.8 \times 10^6 = 5800000
\]
Step 3: Calculate Probability
The probability \( P \) that a randomly selected person living alone is in the \( 25-34 \) age range is calculated using the formula:
\[
P(25-34) = \frac{\text{Age Group}}{\text{Total}} = \frac{5800000}{28900000}
\]
Calculating this gives:
\[
P(25-34) \approx 0.2007
\]
Rounding to the nearest hundredth, we find:
\[
P(25-34) \approx 0.20
\]
Final Answer
The probability that a randomly selected person living alone in the region is in the \( 25-34 \) age range is \\(\boxed{0.20}\\).