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OpenStudy (anonymous):
A video shop owner wants to find out how many videos are turned in late. He found that of the next 20 videos turned in, 7 were late. If 440 videos are turned in over the next several hours, what is the best prediction for how many will be late?
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OpenStudy (anonymous):
helpppp
OpenStudy (rituraj):
20 videos - 7 late 1 video - 7/20 late 440 videos - (7*440)/20 = 154 late
OpenStudy (rituraj):
Learn the method brother; it is simple unitary method.
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