### Hypothesis Test on Chances of Surviving Brain Surgery

Presume that the statistics say that the chances of surviving after brain surgery is 25%. So the Surgery Center would like to test whether it is 25% or less. Conduct a hypothesis test.

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Presume that the statistics say that the chances of surviving after brain surgery is 25%. So the Surgery Center would like to test whether it is 25% or less. Conduct a hypothesis test.

(See attached file for full problem description)

(See attached file for full problem description)

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Give an example of a hypothesis test you could perform at a Surgery Center and what the hypotheses would be. State the null and alternative hypotheses in proper format. Would you see this as a one time test or one that would be repeated on a regular basis?

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(See attached file for full problem description) --- 1. On a college bulletin, it is stated that the weights of the male students are normally distributed with mean = 165lb and a standard deviation = 16lb. A research student decided to verify the claim of the school by taking a sample of 64 students. The average weight of the

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