SOLUTION: amateur athletes were classified according to nutrition and injuries. the results are in the chart.
injury rate
low average high
poor nutrition
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Question 450740: amateur athletes were classified according to nutrition and injuries. the results are in the chart.
injury rate
low average high
poor nutrition 3 5 12
good nutrition 19 7 4
a. what is the probability of randomly selecting an athlete who has an average injury rate?
b. what is the probability of randomly selecting an athlete who has poor nutrition and a high injury rate?
c. what is the probability of randomly selecting an an athlete with a low injury rate given that the athlete has good nutrition?
d. what is the probability of randomly selecting an athlete who haspoor nutrition or a low injury rate?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
amateur athletes were classified according to nutrition and injuries. the results are in the chart.
injury rate
low average high
poor nutrition 3 5 12
good nutrition 19 7 4
a. what is the probability of randomly selecting an athlete who has an average injury rate?::12/50
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b. what is the probability of randomly selecting an athlete who has poor nutrition and a high injury rate?::12/50
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c. what is the probability of randomly selecting an athlete with a low injury rate given that the athlete has good nutrition?::19/30
-----------------------------------
d. what is the probability of randomly selecting an athlete who has poor nutrition or a low injury rate?::[20+22-3]/50 = 39/50
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Cheers,
Stan H.
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