Answer:
-1.75.
Step-by-step explanation:
The z-score = (n - m) / d where n is the value (13) m = mean and d = standard deviation.
= (13 - 20) / 4
= -1.75 (answer)
Answer:
y=55 degrees x=125 degrees
Step-by-step explanation:
Answer: 2.5% of the bags weigh less than 282 grams.
Step-by-step explanation: Just took the test and this was the correct answer! :)
Answer:
if each tub is $12 the student would make $288
Step-by-step explanation:
Answer:
The temperature had dropped by 15 degrees (-15 if you don't want it positive.)
Step-by-step explanation:
Okay!
This is a subtraction problem.
If it started off at 10, and went down to -5, we can do |-5 - 10| (I am using the two bars because it said change.) And we get 15!
