SOLUTION: 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 sam

Algebra ->  Probability-and-statistics -> SOLUTION: 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 sam      Log On


   

Question 1175229: 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 400 Americans is administered the acupuncturists treatment and 48 report experiencing migraines.
a. State Hypotheses to the scenario using the correct symbols.
b. What is the sample proportion? (Round to 2 decimal places)

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Ho:  p = .152
Ha:  p < .152 claim
Sample Proportion is p = 48/400 = .12
Wish You the Best in your Studies.