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In clinical trials 264 out of 300 patients survived a stoke

The current proportion of people who survive a stoke is 0.85. A new drug is being developed to increase this survival rate. In clinical trials, 264 out of 300 patients survived a stoke on this new drug. Conduct a hypothesis test at the 0.05 significance level.

1. The value of the z-score resulting from the clinical trial? (Round the standard deviation to three decimals when computing z-score)

2. The resulting P-value?

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Business Economics: In clinical trials 264 out of 300 patients survived a stoke

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