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

Question 1175231: 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.
1. Suppose the P-value is calculated to be 0.0135
What would your decision be for this test using α = 0.025?
fail to reject the null
accept the null
reject the null
2. Write a conclusion in terms of the acupuncturist's claim. Use the model provided by the instructor. Assume no errors were made.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Ho:  p = .152
Ha:  p < .152 claim
p-value = .0135
α = 0.025
1) .0135 < .025, reject the null
2) There is sufficient evidence at the 0.025 level of significance to support the claim by the acupuncturist  that her treatment can reduce this figure significantly.
Wish You the Best in your Studies.

RELATED QUESTIONS
The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An (answered by ewatrrr)

According to a study conducted by a statistical organization, the proportion of Americans (answered by stanbon)

According to a recent study, the proportion of Americans who can order a meal in a... (answered by ewatrrr)

According to the CDC, if one member of the household contracts the chickenpox, 90% of... (answered by stanbon)

An article published in the Washington Post claims that 45 percent of all Americans have... (answered by Boreal)

According to a Boston Globe story, only about 1 in 6 Americans have blue eyes, whereas in (answered by Boreal)

An article published in the Washington Post claims that 45 percent of all Americans have... (answered by Edwin McCravy)