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OpenStudy (anonymous):
The class president made 75 copies of the flyer advertising the school play. It was found that 6 of the copies were defective. What is the probability that a flyer will be printed properly? a. 32% c. 75% b. 92% d. 69%
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terenzreignz (terenzreignz):
Probability is a fraction... Number of desired outcomes, divided by the total number of outcomes... So, in this case, the desired outcome is a properly-printed flyer; how many are there?
OpenStudy (anonymous):
idk (/.\)
OpenStudy (anonymous):
75 total, 6 defective how many are not defective?
OpenStudy (anonymous):
69
terenzreignz (terenzreignz):
Yes. So you divide that by the total, which is 75, and you get...?
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OpenStudy (anonymous):
92
terenzreignz (terenzreignz):
Correcto :)
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