In a group of 20 students, 1 studies both Art and Biology.
1 answer:
Answer:
Step-by-step explanation:
Total number is 20.
<u>Distribution is:</u>
Art + Biology = 1 Biology = 1 Neither = 7 The rest = 20 - 9 = 11, the Art students
Total number of Art students becomes 12
<u>The probability would be then:</u>
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Answer:
4 x 20 - X
Step-by-step explanation:
4 times 20 - X
x is the unknown variable
Unknown variable = what you are trying to find.
-9,-5, -1, 10 is the right order
(-1.1)*(-1.1)*(-1.1)=-1.331
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