Gross Joseph
07/31/2023 · Senior High School
The mean number of hours that Raphael worked over the past four weeks is 35.75 . If he works 41 hours this week, what will the mean number of hours be that he will have worked over the five-week period? What is the five-week mean? \( \square \) (Simplify your answer.)
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Step-by-step Solution
To find the mean number of hours Raphael will have worked over the five-week period, we first need to calculate the total number of hours he worked over the first four weeks and then add the hours he worked this week.
1. **Calculate the total hours worked over the first four weeks:**
\[
\text{Mean hours for 4 weeks} = 35.75
\]
\[
\text{Total hours for 4 weeks} = \text{Mean} \times \text{Number of weeks} = 35.75 \times 4 = 143
\]
2. **Add the hours worked this week:**
\[
\text{Hours worked this week} = 41
\]
\[
\text{Total hours for 5 weeks} = 143 + 41 = 184
\]
3. **Calculate the mean for the five-week period:**
\[
\text{Mean hours for 5 weeks} = \frac{\text{Total hours for 5 weeks}}{\text{Number of weeks}} = \frac{184}{5} = 36.8
\]
Thus, the mean number of hours Raphael will have worked over the five-week period is \( \boxed{36.8} \).
Quick Answer
The mean number of hours Raphael will have worked over the five-week period is 36.8.
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