A method currently used by doctors to screen women for possible breast cancer fails to detect cancer in 15% of the women who actually have the disease. A new method has been developed that researchers hope will be able to detect cancer more accurately. A random sample of 80 women known to have breast cancer was screened using the new method. Of these, the new method failed to detect cancer in 9. Conduct the hypothesis test to see if the percentage of failed detection has decreased at the 0.05 alpha level. Z0 = Round to the hundredth place. P-Value = Round to the thousandth place. Decision = (Either write Reject or Don't Reject).
A method currently used by doctors to screen women for possible breast cancer fails to detect cancer in 15% of the women who actually have the disease. A new method has been developed that researchers hope will be able to detect cancer more accurately. A random sample of 80 women known to have breast cancer was screened using the new method. Of these, the new method failed to detect cancer in 9. Conduct the hypothesis test to see if the percentage of failed detection has decreased at the 0.05 alpha level.
Z0 = Round to the hundredth place.
P-Value = Round to the thousandth place.
Decision = (Either write Reject or Don't Reject).
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