A method currently used by doctors to screen women for possible breast cancer fails to detect cancer in 17% of 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 74 women known to have breast cancer were screened using the new method. Of these, the new method failed to detect cancer in ten. Specify the null and alternative hypotheses that the researchers wish to test.

Question

Quizplus · Accepted Answer

The Answer is To determine if the new method is more accurate in detecting cancer than the old method, we test:

H _ { 0 } : p = .17 ext { vs. } H _ { \mathrm { a } } : p < .17

A Method Currently Used by Doctors to Screen Women for Possible