Use the data in the table below to complete the exercise. Round off your answers to a tenth of a percent.Blood types per 100 people.Blood Type O+ O− A+ A− B+ B− AB+ AB−Occurrence 38 7 30 6 10 3 4 2Of all the people who have type O blood, what percent are the following?
Question
Use the data in the table below to complete the exercise. Round off your answers to a tenth of a percent.Blood types per 100 people.Blood Type O+ O− A+ A− B+ B− AB+ AB−Occurrence 38 7 30 6 10 3 4 2Of all the people who have type O blood, what percent are the following?
Solution
The question asks for the percentage of people with type O blood that are either O+ or O-. To find this, we first need to determine the total number of people with type O blood.
From the table, we can see that there are 38 people with O+ blood and 7 people with O- blood. Adding these together gives us a total of 45 people with type O blood.
Next, we calculate the percentage of these that are O+ and O-.
For O+, we divide the number of O+ individuals (38) by the total number of individuals with type O blood (45). This gives us 38/45 = 0.8444. To convert this to a percentage, we multiply by 100, which gives us 84.44%. Rounding to the nearest tenth of a percent, we get 84.4%.
For O-, we divide the number of O- individuals (7) by the total number of individuals with type O blood (45). This gives us 7/45 = 0.1555. To convert this to a percentage, we multiply by 100, which gives us 15.55%. Rounding to the nearest tenth of a percent, we get 15.6%.
So, of all the people who have type O blood, 84.4% are O+ and 15.6% are O-.
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