The formula to find the area of a triangle is:
Plug in what we know:
Multiply:
Plug in what we know:
Multiply:
Help. I don't understand any of this math. please help.
1 answer:
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Answer:
<u>x = 5</u>
Step-by-step explanation:
See attached image.
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