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Question
question
a manager at a local fast food restaurant is attempting to schedule staff for the upcoming month. to ensure proper staffing to serve customers in a timely manner, the manager reviews the number of transactions that occurred at various times of the day during the previous month. the table below summarizes the transactions.
| restaurant hours | relative frequency |
|---|---|
| 9:30 am to 12:30 pm | 0.10 |
| 12:30 pm to 3:30 pm | 0.40 |
| 3:30 pm to 6:30 pm | 0.05 |
| 6:30 pm to 9:30 pm | 0.20 |
if 8000 transactions occurred during the previous month, determine the total number of transactions that occurred between the hours of 12:30 pm and 3:30 pm.
provide your answer below:
Step1: Identify relative frequency
The relative frequency for 12:30 PM to 3:30 PM is 0.40.
Step2: Calculate transactions
Multiply total transactions (8000) by relative frequency (0.40): $8000 \times 0.40 = 3200$.
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