Help! I don’t understand it!
2 answers:
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Answer:
The trial provides enough evidence that the probability of obtaining heads is less than 0.50 and that the coin is unfair.
Step-by-step explanation:
The explanation is in the picture
Compound interest:
where
is the amount you start with, 
is the interest rate, 
is the number of times interest is compounded per year, and 
is amount of time that passes.
where