Mathematics
Mathematics, 12.11.2020 18:50, azaz1819

At a popular rock-climbing site in Yosemite National Park, a randomly selected sample of 200 climbers are asked whether they have ever had a climbing accident and whether they are certified climbers. The results
are shown below.
Suppose you are searching for a climbing partner at Yosemite and you meet Rob, Andrew, and Sarah. Rob
thinks of himself as a free spirit - he climbs without any certification. Andrew is hoping to continue his
life-long streak of never having a climbing aceident. You don't know anything about Sarah.
Use the frequency table below to calculate the following probabilities.
Round to the nearest hundredth of a percent.
%
Probability that Rob has had an accident =
Probability that Andrew is certified =
Probability that Sarah is certified =
%


At a popular rock-climbing site in Yosemite National Park, a randomly selected sample of 200 climbe

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At a popular rock-climbing site in Yosemite National Park, a randomly selected sample of 200 climber...

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