The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An acupuncturist claims that her treatment can reduce this figure significantly. A random sample of 594 Americans is administered the acupuncturists treatment and 71 report experiencing migraines.   What is the sample proportion? (Round to 2 decimal places) ˆpp^=______

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Q: What is the z-value and area if score is 70 ?

A: The score is 70

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Q: Marla scored 70% on her last unit exam in her statistics class. When Marla took the SAT exam, she…

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A:

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.