Sleep Researchers Theorize That 25% of the General Population Suffers

question 21

Multiple Choice

Sleep researchers theorize that 25% of the general population suffers from obstructive sleep apnea. Researchers found that 124 of 159 emergency room nurses suffered from obstructive sleep apnea.
-The rejection point to test the hypotheses at α = .001 is _____.

• A)1.645
• B)1.960
• C)2.575
• D)3.090
• E)3.291

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