Answer:

Step-by-step explanation:
From the given information:
The sample size is 28
The population mean is 24.5 (ppb)
The sample mean is 225.3 (ppb)
Thus, the null and the alternative hypothesis can be computed as:
Null hypothesis:

Alternative hypothesis:

Answer:
B
Step-by-step explanation:
Its the only odd number
Answer:
77
Step-by-step explanation:
HAV A GREAT DAY hope this helps
Answer: first part is 2 then 0, after, its “are two real solutions” on edg, yw
Step-by-step explanation:
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