Answer:
64pi
Step-by-step explanation:
area= pi * r^2
Answer:
C
Step-by-step explanation:
Okay, so let's find the actual failure rate first. 6/1000 times 100 (to give over a 100%) equals to 0.6. The actual failure rate is 0.6%. The theoretical probability is 0.2% 0.6-0.2=0.4. The difference is 0.4%.
Hope that helped!
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