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
Answer:
The inequality is
Step-by-step explanation:
Answer:
3/7
Step-by-step explanation:
√9 = 3
√49 = 7
√9/49 = 3/7
6x-y=3 this is the equation in standard form
134 hope I helps with ur problem