In a batch of 960 calculators, 8 were found to be defective. What is the probability that a calculator chosen at random will be defective? Write the probability as a percent. Round to the nearest tenth of a percent if necessary.

99.2%
0.8%
74.4%
1.1%

Question

In a batch of 960 calculators, 8 were found to be defective. What is the probability that a calculator chosen at random will be defective? Write the probability as a percent. Round to the nearest tenth of a percent if necessary.
 	
	99.2%
	0.8%
	74.4%
	1.1%

tkhunny · Answer

What an odd question.  If you already found the defectives, why would they still be in the batch?  0 / 952 = 0 = 0%

Since that probably is not the intent of the question, perhaps 8 / 960 would be more in line.

anonymous · Answer

Sooo?

tkhunny · Answer

You tell me.  You don't want me to do ALL the work, do you?