She is starting at 4000, so that is the y-intercept of the graph. She is descending at 40 feet per minute, so her rate of change or slope is -40. The graph would look like this:
Answer:
-0.2, 2.02, 22.2
Step-by-step explanation:
Answer:
2.304
Step-by-step explanation:
Given that x be a random variable that represents the pH of arterial plasma (i.e., acidity of the blood).


(Two tailed test at 5% level)
Mean difference = 
b) Here we can use only t test since population std deviation is not known.
df = n-1 = 30
Test statistic t = mean diff/std error = 2.304
p value = 0.028