Martha went to a restaurant with some friends. The three of them split a large pizza. Martha spent a total of $11. How much was
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<h3>Answer: Choice B</h3>
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Explanation:
The rule we use is
where 'a' is the base, m stays in the role of the exponent, and n plays the role of the root index (eg: n = 3 is a cube root, n = 4 is a fourth root, and so on).
So for instance,
or in this case,
Answer:
The value of the test statistic is
Step-by-step explanation:
Our test statistic is:
In which X is the sample mean, is the expected value,
is the standard deviation and n is the size of the sample.
The level of ozone normally found is 7.5 parts/million (ppm).
This means that
The mean of 24 samples is 7.8 ppm with a standard deviation of 0.7.
This means that
Test Statistic:
The value of the test statistic is