Roger Brown works for the sanitation department. He earns a salary of $721.00 biweekly. His boss gave him
1 answer:
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Answer:
The price per serving is $0.315, therefore, it's less than $0.5
Step-by-step explanation:
In order to calculate the price per serving, we can first calculate the price per cup, this is done by dividing the total value of the box by the number of cups it can serve:
Since each serving is of a cup, then it's price has the same proportion and is given by:
The price per serving is $0.315, therefore, it's less than $0.5
Answer:
The sample size must be approximately 1067 to get a margin of error of 0.03.
Step-by-step explanation:
We are given the following in the question:
Margin of error = 0.03
Significance level = 5%
Margin of error =
Since, no prior proportions are given, we take
Putting values, we get,
Thus, the sample size must be approximately 1067 to get a margin of error of 0.03.