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 
The answer is 77 but i don't see it as an option here ;/
Answer: A, arithmetic
Step-by-step explanation:
An arithmetic sequence has a constant difference between each term. If she spend 36 dollars each week, the first week would be 36 the second week would be 72, and so on.
Answer:
Estephania needs 19 bottles of pepto bismal. The rule at Bismal Co. is that you can only buy five bottles per day. She must also give six bottles to her third cousin’s daughter’s husband Carlisle. If n represents the number of days it will take to get her nineteen bottles and Carlisle’s six, write an equation representing Estaphania’s problem.
Step-by-step explanation: