Answer:
d
Step-by-step explanation:
We use the equation , where , , , and . We obtain from the z-score of a 0.97 confidence level.
8
9316000000000
Simply move the decimal 12 places to the left.
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It's 14.285714%
So, simplified it would be 14.3% because you round the 2 up since theres an 8 behind it.