This is a case of empirical (observed) probability. Historically speaking, 8 out of 960 calculators were found to be defective.
Thus P(defective calculator) = 8/960, or 0.008333 ...
As a percent, this is 0.8%.
Answer:
I'm assuming you're multiplying, which would mean the answer is C
Step-by-step explanation:
Answer:
-7xy
Step-by-step explanation:
simply 28xy/4 to 7xy
replace the negative