The old operation to restore hearing is known to be


The old operation to restore hearing is known to be 30%sucessful. A new operation that restores hearing is being researched. It is known that 88 out of 225 operations using this new method have been successful. Can we justify the claim that the new method is better than the old?

a) Null hypothesis:

b) Alternative hypothesis

c) p-value

d) Conclusion

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Basic Statistics: The old operation to restore hearing is known to be
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