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:

1 quart = 4 cups. So 4 x 4 will give you your answer, which is 16 cups.
Answer:
the first thing you do is 50,000 ×3% x1 and multiple it with the percent sign then it will give you 1,500
?????Step-by-step explanation: