The price of a new apple ipod has increased by 1/4. if the original price of the apple was $200, what is the price today? $150 $
2 answers:
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Using it's concept, it is found that the percentage of his sales that area food costs is of 29.62%.
<h3>What is a percentage?</h3>The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:
In this problem, he has $1643 out of $5546 in food, hence the percentage is given by:
More can be learned about percentages at brainly.com/question/10491646
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Answer:
We cannot determine the appropriate hypotheses to test this study because we are only given the data for the sample size and the population mean. Meanwhile, we need to know the data of the sample mean, the standard deviation and the level of significance before we can state the appropriate hypotheses for this test.
Step-by-step explanation:
Given that:
sample size n = 300
population mean μ = 35
The null hypothesis and the alternative hypothesis can be computed as follows:
Null hypothesis
Alternative hypothesis
The degree of freedom df = n -1
df = 300 - 1
df = 299