Math Solutions

(All Steps) Sleep apnea is a pattern of irregular breathing during sleep, with longer than normal breath-holding intervals. The following two-way table

Question: Sleep apnea is a pattern of irregular breathing during sleep, with longer than normal breath-holding intervals. The following two-way table shows counts of men and women with sleep apnea or not, from a sleep study with 400 men and 300 women.

Sleep Apnea?
Gender Yes No
Men 40 360
Women 12 288
  1. Calculate the risk of sleep apnea for men in this study.
  2. Calculate the risk of sleep apnea for women in this study.
  3. Find the value that completes this sentence: The risk of sleep apnea for men is ___ times the risk for women. In other words, determine the relative risk.
  4. Find the value that completes this sentence: The odds of sleep apnea for men are __ times the odds for women. In other words, find the odds ratio.

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