A lube and oil change business believes that the number of cars
that arrive for service is the same each day of the week. If the
business is open six days a week (Monday-Saturday) and a random
sample of n200 customers is selected, the sum of the expected
frequencies over the six days cannot be determined without seeing
the actual sample data.
A lube and oil change business believes that the number of cars that arrive for service is the same each day of the week
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