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Anonymous asked in Science & MathematicsMathematics · 1 month ago


Since 1953 , when Tenzing Norgay and Edmund Hillary reached the summit of Mount Everest, many climbers have attempted to scale the world's two highest mountains, Everest and K2. Norgay and Hillary aided their climb by bringing supplemental oxygen in tanks, and some later groups have attempted to outdo the originals by trying the ascent without supplemental oxygen. From 1978 to 1999, in fact, 159 teams have attempted to climb Mount Everest or K2. The numbers of individuals who either survived or died during those attempts is given in the following table (data is hypothetical and not the exact numbers observed by Huey and Eguskitza 2000).

                                Supplemental O2             No Supplemental O2

Survived                           18                                        124

Did Not Survive                 39                                        191

Calculate the odds ratio and round your answer to two decimal places.

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